Mike Holt

Articles by Mike Holt
Code Q&A
Q. What are the Code requirements for a concrete-encased electrode?
Code Quandaries: Stumped by the Code? December 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. Are there any Code requirements related to terminals used for the connection of aluminum conductors?
Code Quandaries: Stumped by the Code? November 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. Are lighting outlets in dwelling units allowed on the same circuit as receptacle outlets?
Code Q&A
Q. What are the acceptable wiring methods for photovoltaic (PV) circuits inside buildings/structures?
Stumped by the Code? October 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. When a metal water pipe is used as a grounding electrode, is the concrete encased electrode satisfactory as the supplemental electrode, or is a ground rod still required?
Code Q&A
Q. Does the NEC require that replacement receptacles be updated to provide GFCI protection?
Code Q&A
Q. Are outlet boxes allowed to be supported by the ceiling framing members of a suspended ceiling system or must independent support wires be added?
Stumped by the Code? September 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A
Q. How do I size the conductors for an arc welder?
Grounding and Bonding — Part 3 of 3

The use of structural metal as a grounding electrode is an issue that has been revised during several recent Code cycles. The 2011 NEC has once again revisited the rule explaining when a structural metal building frame can serve as a grounding electrode.

Stumped by the Code? August 2011
Your most pressing National Electrical Code (NEC) questions answered
Code Q&A 1
Q. What are the disconnecting requirements for a transformer?
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