Stumped by the Code? NEC Requirements for Grounding and Bonding in Class I Locations

Stumped by the Code? NEC Requirements for Grounding and Bonding in Class I Locations

Your most pressing National Electrical Code (NEC) questions answered

All questions and answers are based on the 2014 NEC.

Q. What are the grounding and bonding requirements for Class I locations?

A. Because of the explosive conditions associated with electrical installations in hazardous (classified) locations [500.5], electrical continuity of metal parts of equipment and raceways must be ensured — regardless of the voltage of the circuit.

Locknuts aren’t suitable for bonding purpos

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