Electrical Panel Labels Requirements

Arc flash labeling is the responsibility of the employer not the manufacturer or installer of the equipment.

Electrical panel labels requirements.

Working space around the breaker panel must be at least 30 inches wide and 72 inches from the ground up. The electrical code requires you to label or index your panel. 1910 303 f 4 capable of accepting a lock. Disconnecting means required by this subpart shall be capable of being locked in the open position.

But since we can t we have to make do. Nfpa 70e labeling requirements by. The panel door must be able to open at least 90 degrees. This standard has been updated to provide consistency of terms with other standards that address hazards and risk.

Electrical standard for industrial machinery article 700 5 e requires labeling of panel short circuit current rating sccr based on ocpd settings used. Information about the wiring in the panel is also important. Labeling is required for any piece of electrical equipment that may need examination adjustment service or maintenance while energized creating the potential for an arc flash incident to occur. When you have an electrical problem and need to shut off a circuit you should be able to identify the controlling circuit breaker immediately by looking at the panel index.

Periodic review of existing ocpd settings is a good idea to maintain a safe electrical system. Breaker panel must be at least 4 feet off the ground but no higher than 6 feet. The markings required by paragraphs f 1 and f 2 of this section shall be of sufficient durability to withstand the environment involved. This is commonly done with circuit breakers for obscure panels that haven t been manufactured in decades.

A related requirement is nec 210 5 c 3 which defines the labeling of conductors originating within each branch circuit panelboard or similar branch circuit distribution equipment. This often includes installing electrical equipment that isn t new but is recon ditioned refurbished or remanufactured instead. Uct certification that meets osha electrical standards.