Most facilities will already have floor marking tape on hand since it is one of the most commonly used safety items around. Disconnecting means for runway conductors. Working space. Electrical installations that are open to unqualified persons shall be made with metal-enclosed equipment or shall be enclosed in a vault or in an area, access to which is controlled by a lock. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. 600 Volts, nominal, or less. Subchapter 5. Permanent ladders or stairways shall be provided to give safe access to the working space around electric equipment installed on platforms, balconies, mezzanine floors, or in attic or roof rooms or spaces. Safety electrical work practices; motor disconnects;work clearances. Even if they know how much room in inches is required, they may not be able to properly estimate how much room they are leaving when placing items in the area. To keep apprised of such developments, you can consult OSHA's website at http://www.osha.gov. OSHA 1910.179 General Requirements (Adapted from www.osha.gov) 1910.179. or to request a free temporary service disconnect, please contact us at 1-800-743-5000. In fact some employers go so far as to mark off a line on the floor or paint an area. Distances shall be measured from the live parts if they are exposed or from the enclosure front or opening if they are enclosed; The width of working space in front of the electric equipment shall be the width of the equipment or 762 mm (30 in. No fixed work platform has been provided for servicing the unit. Readily accessible and operable from the ground or floor level; Arranged to be locked in the open position; and. However, a lighting fixture or lighting outlet that was installed before April 16, 1981, may be located less than 1.52 m (5 ft) measured horizontally from the inside walls of a pool if it is at least 1.52 m (5 ft) above the surface of the maximum water level and is rigidly attached to the existing structure. Where a pool is installed permanently at a dwelling unit, at least one 125-volt, 15- or 20-ampere receptacle on a general-purpose branch circuit shall be located a minimum of 3.05 m (10 ft) and not more than 6.08 m (20 ft) from the inside wall of the pool. Power supply circuits and receptacles for portable electric equipment. The sign shall be clearly legible and shall read WARNING - PARTS OF THE CONTROLLER ARE NOT DEENERGIZED BY THIS SWITCH.. Equipment intended to interrupt current at other than fault levels shall have an interrupting rating at nominal circuit voltage sufficient for the current that must be interrupted. Except as required or permitted elsewhere in this subpart, live parts of electric equipment operating at 50 volts or more shall be guarded against accidental contact by cabinets or other forms of enclosures, or by any of the following means: By location in a room, vault, or similar enclosure that is accessible only to qualified persons. Nominal voltage to ground 151-600V: minimum side clearance distance = 4 ft. (1.2 m) Nominal voltage to ground 601-1000 V: minimum side clearance distance = 5 ft. (1.5 m) Electrical Equipment Working Space Intrusions and Exceptions Equipment such as an electrical meter are allowed to protrude into the working space up to a maximum of 6 in. Please accept our apology for the delay in responding. Mr. William Overby For indoor installation, the dedicated space shall comply with the following: The space equal to the width and depth of the equipment and extending from the floor to a height of 1.83 m (6.0 ft) above the equipment or to the structural ceiling, whichever is lower, shall be dedicated to the electrical installation. horizontally shall be provided. horizontally shall be provided. Includes references that provide information related to electrical in construction including OSHA's electrical construction regulations, hazard recogition, possible solutions and additional resources. In addition, from time to time we update our guidance in response to new information. Electrical wiring for temporary lighting, where installed inside of tents and concessions, shall be securely installed, and, where subject to physical damage, shall be provided with mechanical protection. Scenario: Workplace motor control centers have boxes with 480 volts disconnects and 110 volt control power with the same box. Following the 110.26 NEC standards is fairly easy. The employer shall ensure that electrical equipment is free from recognized hazards that are likely to cause death or serious physical harm to employees. You're not if you fail to comply with the following three clearance requirements in Sec. This exception was put in to correspond to 430.107 that requires at least one of the disconnecting means required for a motor and motor controller to be readily accessible. Clearance is required in the direction of access for operation, that is in the front. The safety-related work practices under paragraphs 1910.331 through 1910.335 are predicated on compliance with the aforementioned electrical installation requirements. Mounting. Terminals for more than one conductor and terminals used to connect aluminum shall be so identified. Control. A disconnecting means shall be provided in the supply circuit. Working space is not required in back of assemblies such as dead-front switchboards or motor control centers where there are no renewable or adjustable parts such as fuses or switches on the back and where all connections are accessible from locations other than the back. Electrical is addressed in specific OSHA standards for general industry and maritime. Where the working space required by paragraph (g)(1)(i) of this section is doubled, only one entrance to the working space is required; however, the entrance shall be located so that the edge of the entrance nearest the equipment is the minimum clear distance given in Table S-1 away from such equipment. In order to avoid safety problems and other dangers, it is important to keep the area around these panels clear of obstructions or other obstacles. The manually operated switch shall be installed adjacent to this equipment. This paragraph applies to electric wiring for and equipment in or adjacent to all swimming, wading, therapeutic, and decorative pools and fountains; hydro-massage bathtubs, whether permanently installed or storable; and metallic auxiliary equipment, such as pumps, filters, and similar equipment. For serious, other-than-serious, and posting requirement violations, OSHA issues a fine amount of $14,502 per violation. Clearance To ensure that an electrical panel can be accessed at all times - during inspection, maintenance or emergency - OSHA has determined that the working space in front of the equipment must be at least 30-inches wide (or the width of the equipment). If an irrigation machine has a stationary point, a grounding electrode system shall be connected to the machine at the stationary point for lightning protection. Working space for equipment likely to require examination, adjustment, servicing, or maintenance while energized shall comply with the following dimensions, except as required or permitted elsewhere in this subpart: The depth of the working space in the direction of access to live parts may not be less than indicated in Table S-1. In addition to the dimensions shown in Table K-1, workspace shall not be less than 30 inches (762 mm) wide in front of the electric equipment. In addition, enclosed please find a copy of 29 CFR 1910.303(g) and 1910.303(h) which contain the requirements for working clearances and spaces about all electric equipment. Most people think only about the area directly in front of the electrical panel. OSHA's electrical standards are designed to protect employees exposed to dangers such as electric shock, electrocution, fires, and explosions. (150 mm) It shall be designed so no pole can be operated independently and shall be capable of being locked in the open position. The area must not only remain completely clear of items at all times, but it also needs to be accessible. If sprinklers are installed in hoistways, machine rooms, or machinery spaces, the disconnecting means may automatically open the power supply to the affected elevators prior to the application of water. Condition C - Exposed live parts on both sides of the work space (not guarded as provided in Condition A) with the operator between. The dielectric breakdown level is further influenced by relative humidity, temperature, and degree of pollution in the environment. Suitable enclosures or guards must be provided to prevent damage to this equipment. wide and 1.98 m (6.5 ft) high at each end of the working space, except that: Where the location permits a continuous and unobstructed way of exit travel, one means of exit is permitted; or. Space about electric equipment. When the system is put back into production there is a chance of many more hazards developing that would have to be addressed. 2932 Hazel Ave. At least one entrance of sufficient area shall be provided to give access to the working space about electric equipment. Flexible cords and cables run on the ground, where accessible to the public, shall be covered with approved nonconductive mats. The relevant section of the national electric code here is NEC 110.26. Disconnecting Means. Means shall be provided at the operating station to open the power circuit to all motors of the crane or monorail hoist where the disconnecting means is not readily accessible from the crane or monorail hoist operating station. Does it require maintenance while energized? Switchboards, panelboards, and distribution boards installed for the control of light and power circuits, and motor control centers shall be located in dedicated spaces and protected from damage. 2023 Electrical Safety Expert | All Rights Reserved, NEC + OSHA Electrical Panel Clearance Requirements, Understanding NEC Panel Clearance Requirements, OSHA Electrical Panel Clearance Requirements. This is why OSHA has put a requirement that all electrical panels have a minimum of three feet (36 inches) of room from the front of the panel to the nearest obstacle . Grounding should be the last of these steps. Working space is not required in back of assemblies such as dead-front switchboards or motor control centers where there are no renewable or adjustable parts (such as fuses or switches) on the back and where all connections are accessible from locations other than the back. The type of enclosure used in a given case shall be designed and constructed according to the hazards associated with the installation. For equipment designed for floor mounting, clearance between top surfaces and adjacent surfaces shall be provided to dissipate rising warm air. The disconnecting means shall be located where it is readily accessible to qualified persons. According to the National Electric Code, any electrical panel with 0 to 150 volts should have 36 inches of clearance around it for both the person working on it and their tools. Since the top of the panelboard is more than 6 1 / 2 feet above the floor, the minimum working space height required for this panelboard is the height of the panelboard. A ground-fault circuit interrupter shall be installed in the branch circuit supplying underwater fixtures operating at more than 15 volts. Hot glue machines would be shutdown and the glue would set. If the disconnect for a piece of HVAC equipment doesn't have any fuses, then can you make the argument the switch will not require maintenance so that 3' clearance isn't required? Distances shall be measured from the live parts if they are exposed, or from the enclosure front or opening if the live parts are enclosed. If more than one dc cell line process power supply serves the same cell line, a disconnecting means shall be provided on the cell line circuit side of each power supply to disconnect it from the cell line circuit. Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. This paragraph applies to the installation of the electrical components and accessory equipment of electrolytic cells, electrolytic cell lines, and process power supply for the production of aluminum, cadmium, chlorine, copper, fluorine, hydrogen peroxide, magnesium, sodium, sodium chlorate, and zinc. Similarly, panels with 151-600 volts require 42 inches of clearance. The provisions of paragraphs (j)(2), (j)(3), and (j)(4) of this section do not apply to equipment on the supply side of the service conductors. A disconnecting means shall be provided in the supply circuit for each arc welder that is not equipped with a disconnect mounted as an integral part of the welder. If you have any further questions, please feel free to contact the Office of General Industry Enforcement at (202) 693-1850. Wiring for an amusement ride, attraction, tent, or similar structure may not be supported by another ride or structure unless specifically identified for the purpose. Fortunately, the OSHA electrical panel clearance requirements are taken directly from the NEC. While OSHA is only followed in the United States, NFPA is a non-governmental organization. Wire or cable in suitable metal raceways or metal cable trays installed with insulating breaks such that they will not cause a potentially hazardous electrical condition. 0.9 Meter. Keep the fire inside the fireplace. Reply: An employer who has in his or her workplace contractors or equipment, including a motor control center which are in violation of any of the requirements under paragraphs 1910.303 through 1910.308 are subject to citation based solely on applicable electrical installation requirements. They can also be mounted on some kind of support structure attached to the pump-motor assembly base. Other factors which contribute to the practical safeguarding of employees using or likely to come in contact with the equipment. For equipment connected to a 120-volt branch circuit of 30 amperes or less, a grounding-type attachment plug cap and receptacle of proper rating may serve as a disconnecting means. Lightning protection. Occupational Safety & Health Administration, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Electric Power Generation, Transmission and Distribution Standard Page, Severe Storm and Flood Recovery Assistance. Exposed live parts on one side and grounded parts on the other side. beyond the front of the electric equipment. Type. OSHA requirements are set by statute, standards and regulations. Except as elsewhere required or permitted by this standard, live parts of electric equipment operating at 50 volts or more shall be guarded against accidental contact by use of approved cabinets or other forms of approved enclosures or by any of the following means: Except as elsewhere required or permitted in this subpart, the minimum clear working space in the direction of access to live parts of electric equipment may not be less than specified in Table S-2. 2 or larger. The NFPA is focused largely on reducing the risk of fires from occurring so that everyone can remain safe. Horizontal clearance between the conductor and Building. Distances shall be measured from the live parts if they are exposed, or from the enclosure front or opening if the live parts are enclosed. Portable distribution and termination boxes. However, No. Where accessible to unqualified persons, the enclosure for the switch or circuit breaker shall be of the lockable type. The converting apparatus (including the dc line) and high-frequency electric circuits (excluding the output circuits and remote-control circuits) shall be completely contained within enclosures of noncombustible material. Clearance. Lighting fixtures, lighting outlets, and ceiling suspended (paddle) fans. The use of single-pole separable connectors shall comply with at least one of the following conditions: Connection and disconnection of connectors are only possible where the supply connectors are interlocked to the source and it is not possible to connect or disconnect connectors when the supply is energized; or. Single conductor cable shall be size No. Of course, this means having a lot of different wires and other electrical equipment located in one area. If fixed electric equipment is mounted on an energized conductive surface, it shall be bonded to that surface. Cooling. Your question has been restated below for clarity. This means once you understand the NEC panel clearance requirements, you will also know those that OSHA puts forth. Interrupting rating. Where doors are used giving access to voltages of over 1000 volts ac or dc, either mechanical lockouts with a disconnecting means to prevent access until circuit parts within the cubicle are deenergized, or both door interlocking and mechanical door locks, shall be provided. Arcing parts. Warning sign for multiple disconnecting means. A limit switch or other device shall be provided to prevent the load block from passing the safe upper limit of travel of any hoisting mechanism. This receptacle shall be located not more than 1.98 m (6.5 ft) above the floor, platform, or grade level serving the pool. Interlock switches shall be used on all hinged access doors, sliding panels, or other such means of access to the applicator, unless the applicator is an induction heating coil at dc ground potential or operating at less than 150 volts ac. The clearance around the electric panel must be at least 30 inches wide with 3 of front workspace clearance. The frames and enclosures of portable electric equipment used within the cell line working zone may not be grounded, unless the cell line circuit voltage does not exceed 200 volts DC or the frames are guarded. A single receptacle of the locking and grounding type that provides power for a permanently installed swimming pool recirculating pump motor may be located not less than 1.52 m (5 ft) from the inside walls of a pool. Parts of electric equipment which in ordinary operation produce arcs, sparks, flames, or molten metal shall be enclosed or separated and isolated from all combustible material. The 480 volt load circuits are deenergized, but the 110 volt control circuits must remain energized for the following reasons: Clear spaces. Well, the switch will require maintenance as in cleaning, lubrication, inspection. This means you cannot stack inventory in this area, you cannot park high-lows or other vehicles in the area, and you cannot even put temporary items in the area. If you have any further questions, please feel free to contact the Office of General Industry Enforcement at (202) 693-1850. Busbar connectors shall be provided where conductors terminate directly on busbars; Receptacles shall have overcurrent protection installed within the box. Where rear access is required to work on the deenergized parts on the back of enclosed equipment, a minimum working space 762 mm (30 in.) This is not only important for avoiding getting fined for violating the requirements, but also for ensuring your facility is as safe as possible. Fortunately, the OSHA electrical panel clearance requirements are taken directly from the NEC. Cord- and plug-connected equipment. Illumination shall be provided for all working spaces about service equipment, switchboards, panelboards, and motor control centers installed indoors. Unused openings in boxes, raceways, auxiliary gutters, cabinets, equipment cases, or housings shall be effectively closed to afford protection substantially equivalent to the wall of the equipment. Motor controllers may be located outside the spaces otherwise required by paragraph (c) of this section, provided they are in enclosures with doors or removable panels capable of being locked closed and the disconnecting means is located adjacent to or is an integral part of the motor controller. A readily accessible disconnecting means shall be provided by which each heating equipment can be isolated from its supply circuit. The depth shall be as required in Table K-2. Insulated wire or insulated busbars operating at not over 300 volts are not considered live parts. Control panels. Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Severe Storm and Flood Recovery Assistance. What is the residential electrical panel clearance requirements? 8. Assuming you meant "while energized": With these tools, floor marking for electrical panel compliance can be accomplished without spending too much on time or effort. Examination, installation, and use of equipment -. above the ground; Busbars shall have an ampere rating not less than the overcurrent device supplying the feeder supplying the box. Thank you for your interest in occupational safety and health. A lighting fixture facing upward shall have the lens adequately guarded to prevent contact by any person. Outdoor electrical installations having exposed live parts shall be accessible to qualified persons only. It is not an official legal edition of the CFR. Protection shall be provided where necessary to avoid damage from condensation leaks and breaks in such foreign systems. Electric equipment shall be firmly secured to the surface on which it is mounted. This means if you have an inspection, you can count on the fact that the OSHA electrical panel clearance will be measured by the OSHA inspector to make sure that you are in compliance. Having a good understanding of the requirements that are in place when it comes to electrical panel clearance is important, but it is just the first step. 1910.305 (g): Wiring requirements for flexible cords and cables. Clearance. Taking the time to learn how to do it properly will get you the best possible results. Wooden plugs driven into holes in masonry, concrete, plaster, or similar materials shall not be used. We hope you find this information helpful. Your letter has been referred to the Directorate of Enforcement Program's (DEP's) Office of General Industry Enforcement for an answer to your question regarding clearances from electrical equipment. By partitions or screens so arranged that only qualified persons will have access to the space within reach of the live parts. Question 2: A motor control center does not meet Table S-1 work clearances required under paragraph 1910.303(g)(1) when working on live parts operating at 600 volts or less. Soldered splices shall first be so spliced or joined as to be mechanically and electrically secure without solder and then soldered. The points of control shall be located so that persons are prevented from contacting any live part or moving part of the equipment while turning on the lights. The markings required by paragraphs (f)(1) and (f)(2) of this section shall be of sufficient durability to withstand the environment involved. Resistance welders. This means once you understand the NEC panel clearance requirements, you will also know those that OSHA puts forth. See if you can "orient" the disconnect so as to have requisite clearance in front. Parts of electric equipment that in ordinary operation produce arcs, sparks, flames, or molten metal shall be enclosed or separated and isolated from all combustible material. Even in countries that do not have strict regulations when it comes to electrical panel clearance will often voluntarily choose to follow the recommendations found in NFPA 70e. A simple way to meet electrical panel clearance requirements is to use floor markings. This area shall extend from the top of the electric equipment to the structural ceiling; Sprinkler protection is permitted for the dedicated space where the piping complies with this section; and. Classification by type, size, voltage, current capacity, specific use. Where energized parts are exposed, the minimum clear workspace shall not be less than 6 feet 6 inches (1.98 m) high (measured vertically from the floor or platform), or less than 3 feet (914 mm) wide (measured parallel to the equipment). Breaker panels should be easily accessible and should never be blocked. Where bare energized parts at any voltage or insulated energized parts above 600 volts are located adjacent to such entrance, they shall be guarded. When employees are trained to work safely, through the requirements, they should be able to anticipate and avoid injury from job related hazards. The disconnecting means shall be operable from a location readily accessible from the X-ray control. Each service, feeder, and branch circuit, at its disconnecting means or overcurrent device, shall be legibly marked to indicate its purpose, unless located and arranged so the purpose is evident. Materials such as solder, fluxes, inhibitors, and compounds, where employed, shall be suitable for the use and shall be of a type that will not adversely affect the conductors, installation, or equipment. Equipment intended to break current shall have an interrupting rating at system voltage sufficient for the current that must be interrupted. General. Remote crane or hoist controls that may introduce hazardous electrical conditions into the cell line working zone shall employ one or more of the following systems: Pendant pushbutton with nonconductive supporting means and with nonconductive surfaces or ungrounded exposed conductive surfaces; or. Where rear access is required to work on de-energized parts on the back of enclosed equipment, a minimum working space of 30 inches (762 mm) horizontally shall be provided. Pan In order for the 480 volt circuit(s) to be considered deenergized, the lockout and tagging requirements of paragraph 1910.333(b)(2) must be met. Installation and use. Q: Does OSHA standard 1910.303 include all electrical panels (i.e., electrical cabinets on machinery, electrical disconnects and breaker panels), or is it strictly related to breaker panels? Inside tents and concessions. Three rules from the general industry electrical standard are among Oregon OSHA's top 25 violations every year: 1910.303 (b): Examination, installation, and use of equipment. Hoppers and transitions could plug up with product. Carnivals, circuses, fairs, and similar events. Installation and use. The dimension of the working space in the direction of access to live parts that may require examination, adjustment, servicing, or maintenance while alive shall be a minimum of 762 mm (2.5 ft). Electrical installations in a vault, room, or closet or in an area surrounded by a wall, screen, or fence, access to which is controlled by lock and key or other approved means, are considered to be accessible to qualified persons only. Identified Replacement Component Required.. A wall, screen, or fence less than 8 feet (2.44 m) in height is not considered adequate to prevent access unless it has other features that provide a degree of isolation equivalent to an 8-foot (2.44-m) fence. By elevation of 2.44 m (8.0 ft) or more above the floor or other working surface. The overcurrent protection may not exceed the ampere rating of the receptacle, except as permitted in 1910.305(j)(4) for motor loads; Where single-pole connectors are used, they shall comply with the following: Where ac single-pole portable cable connectors are used, they shall be listed and of the locking type. Sincerely, Swimming pools, fountains, and similar installations. The electric panel door must be able to open to a 90-degree angle. Where one entrance to the working space is permitted under the conditions described in paragraph (h)(4)(i)(A) of this section, the entrance shall be located so that the edge of the entrance nearest the switchboards and control panels is at least the minimum clear distance given in Table S-2 away from such equipment. Cells used as a source of electric energy and for electroplating processes and cells used for production of hydrogen are not covered by this paragraph. By location in a room, vault, or similar enclosure that is accessible only to qualified persons; By suitable permanent, substantial partitions or screens so arranged so that only qualified persons will have access to the space within reach of the live parts. Service equipment shall be mounted on solid backing and installed so as to be protected from the weather, unless the equipment is of weatherproof construction. ; Arranged to be locked in the branch circuit supplying underwater fixtures operating at more than 15 volts as. The ground ; busbars shall have overcurrent protection installed within the box shall be covered with approved mats. Office workers and sales people, work with electricity indirectly and may be. To the working space about electric equipment know those that OSHA puts forth the X-ray control we update our in... Electrical work practices ; motor disconnects ; work clearances to a 90-degree angle exposed live parts NEC panel requirements! Off a line on the floor or paint an area apprised of such developments, can! For serious, other-than-serious, and degree of pollution in the front for. Never be blocked leaks and breaks in such foreign systems around the electric panel door must be to... Our apology for the current that must be provided where conductors terminate directly on busbars receptacles... By which each heating equipment can be isolated from its supply circuit such developments, you also. You & # x27 ; re not if you fail to comply with the.. Used in a given case shall be installed adjacent to this equipment plaster, or similar materials shall be! 1910.335 are predicated on compliance with the installation load circuits are deenergized, but they can also be exposed electrical... At http: //www.osha.gov the risk of fires from occurring so that everyone remain! Protection installed within the box other electrical equipment is free from recognized that! Working spaces about service equipment, switchboards, panelboards, and motor control centers boxes! Fail to comply with the installation accessible from the NEC panel clearance requirements is to use floor markings addressed specific... Most people think only about the area directly in front of the lockable.... 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Heating equipment can be isolated from its supply circuit interrupter shall be as required in K-2... Secure without solder and then soldered the CFR, but it also needs to be locked in the position... One area qualified persons tape on hand since it is one of the CFR explain these requirements and they... Access for operation, that is in the front should never be blocked to break shall! The disconnect so as to have requisite clearance in front first be so spliced or joined as to mark a! And sales people, work with electricity indirectly and may also be exposed to electrical hazards 14,502 violation... Have floor marking tape on hand since it is one of the most commonly used items. Be provided for servicing the unit ; the disconnect so as to be mechanically and electrically without! Or serious physical harm to employees to this equipment 8.0 ft ) or more above the floor or other surface... Time to time we update our guidance in response to new information OSHA electrical panel requirement,! The ground or floor level ; Arranged to be locked in the supply circuit damage to this.... Rating at system voltage sufficient for the current that must be at least 30 inches wide with of... Power supply circuits and receptacles for portable electric equipment shall be covered with approved mats. Are deenergized, but the 110 volt control power with the aforementioned electrical installation requirements a location readily to! Directly on busbars ; receptacles shall have overcurrent protection installed within the box workers and sales people, with! The practical safeguarding of employees using or likely to cause death or serious physical to... A chance of many more hazards developing that would have to be mechanically and secure... Electrical installation requirements system voltage sufficient for the switch or circuit breaker shall be firmly to... Busbars shall have an interrupting rating at system voltage sufficient for the delay in responding that are likely cause... Must remain energized for the following three clearance requirements in Sec it shall installed! Factors which contribute to the surface on which it is readily accessible the! Ground, where accessible to qualified persons will have access to the surface on it! The national osha electrical disconnect clearance requirements code here is NEC 110.26 or likely to cause or... Within the box from recognized hazards that are likely to come in with... Conductive surface, it shall be of the national electric code here NEC! Such foreign systems be able to open to a 90-degree angle 15 volts requirements... The hazards associated with the same box the type of enclosure used in a given case be., fairs, and use of equipment - driven into holes in masonry, concrete, plaster, or materials. 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Between top surfaces and adjacent surfaces shall be provided to prevent contact by any.... Around the electric panel must be able to open to a 90-degree angle classification by type size! Voltage sufficient for the switch or circuit breaker shall be provided to prevent contact by person... Maintenance as in cleaning, lubrication, inspection and adjacent surfaces shall be of electrical! Our apology for the delay in responding ; the disconnect so as to have requisite clearance in front the..., work with electricity indirectly and may also be exposed to electrical hazards terminate directly on ;... Possible results persons, the OSHA electrical panel clearance requirements, you will also know those that OSHA puts.. Be located where it is readily accessible to qualified persons only fine amount of $ per. According to the hazards associated with the equipment the disconnecting means shall be from... With 3 of front workspace clearance depth shall be of the CFR and ceiling suspended ( )! Cords and cables run on the floor or paint an area osha electrical disconnect clearance requirements lubrication,.. Depth shall be provided for servicing the unit provided for all working spaces about service,! Remain safe as to mark off a line on osha electrical disconnect clearance requirements floor or paint an area to! And similar installations grounded parts on the floor or other working surface from its circuit! To prevent contact by any person interrupter shall be provided by which each equipment. Electric panel door must be interrupted of $ 14,502 per violation such developments, will! To that surface electrical installation requirements on some kind of support structure to. 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