Electrical Panel Labels Requirements

Jay whitaker panduit product manager the nfpa 70e standard provides guidelines for electrical safety in the workplace.

Electrical panel labels requirements.

Breaker panel must be at least 4 feet off the ground but no higher than 6 feet. The panel door must be able to open at least 90 degrees. This is commonly done with circuit breakers for obscure panels that haven t been manufactured in decades. Disconnecting means required by this subpart shall be capable of being locked in the open position.

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. Periodic review of existing ocpd settings is a good idea to maintain a safe electrical system. Arc flash labeling is the responsibility of the employer not the manufacturer or installer of the equipment. The electrical code requires you to label or index your panel.

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. This often includes installing electrical equipment that isn t new but is recon ditioned refurbished or remanufactured instead. Working space around the breaker panel must be at least 30 inches wide and 72 inches from the ground up. But since we can t we have to make do.

Electrical standard for industrial machinery article 700 5 e requires labeling of panel short circuit current rating sccr based on ocpd settings used. Nfpa 70e labeling requirements by. This standard has been updated to provide consistency of terms with other standards that address hazards and risk. Uct certification that meets osha electrical standards.

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. 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. 1910 303 f 4 capable of accepting a lock.