The working width around the panel must be at least 30 inches.
Osha 1910 electrical panel clearance.
Electrical safety participants will be able to.
Osha 29 cfr 1910 331 335 nfpa 70e nec nfpa 70.
1910 305 wiring methods components and equipment for general use.
In addition to osha standards electrical panels fall under national electrical code nec.
Occupational safety health administration.
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.
Before implementing any kind of marking strategy employers must understand the osha standard related to electrical panel clearance.
Because of different characteristics of dissimilar metals.
Space about electric equipment.
Sections 1910 309 through 1910 330 are reserved for possible future design safety standards for other electrical systems.
1910 301 b safety related work practices these regulations will be contained in 1910 331 through 1910 360.
Shall be effectively bonded where necessary to ensure electrical continuity and the capacity to conduct safely any fault current likely to be imposed on them.
Both the osha and nec set minimums for the dimensions of this working space.
Osha standard 1910 303 g 1 states.
The minimum clear working space in front of electric equipment such as switchboards control panels switches circuit breakers motor controllers relays and similar equipment shall not be less than specified in table k 2 unless otherwise specified in this subpart.
A clearance of at least 3 feet is required for equipment using 120 to 250 volts.
1910 303 b 8 iii electric equipment provided with ventilating openings shall be installed so that walls or other obstructions do not prevent the free circulation of air through the equipment.
200 constitution ave nw.
Nec 110 26 and 29 cfr 1910 303 g 1 require sufficient access and working space around electric equipment to allow ready and safe operation and maintenance of such an equipment.
1 the procedures address the electrical safety hazards covered by this subpart.
According to the osha standard 29 cfr 1910 303 g companies are required to provide 3 feet of clearance around electrical services and breaker panels with between 120 and 250 volts.