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. Information about the wiring in the panel is also important. The electrical code requires you to label or index your panel. Nfpa 70e labeling requirements by. Working space around the breaker panel must be at least 30 inches wide and 72 inches from the ground up.

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. The panel door must be able to open at least 90 degrees. Periodic review of existing ocpd settings is a good idea to maintain a safe electrical system. Unless changes in the electrical distribution system s render the label inaccurate labels applied prior to the effective date of this edition of the standard shall be acceptable if they complied with the requirements for equipment labeling in that standard in effect at the time the labels were applied.

This is commonly done with circuit breakers for obscure panels that haven t been manufactured in decades. The wires need to either be color coded or marked with color coded labels. The markings required by paragraphs f 1 and f 2 of this section shall be of sufficient durability to withstand the environment involved. But since we can t we have to make do.

Breaker panel must be at least 4 feet off the ground but no higher than 6 feet. Electrical standard for industrial machinery article 700 5 e requires labeling of panel short circuit current rating sccr based on ocpd settings used. 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. Uct certification that meets osha electrical standards.

This often includes installing electrical equipment that isn t new but is recon ditioned refurbished or remanufactured instead. 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. Jay whitaker panduit product manager the nfpa 70e standard provides guidelines for electrical safety in the workplace.