Code Q&A

Jan 10, 2006, By Mike Holt

Q. I understand the Code allows me to use Type AC cable with an equipment grounding (bonding) conductor for branch circuits serving patient care areas. Can I use Type MC cable with an equipment grounding (bonding) conductor for luminaires located above 7.5 feet in a patient care area?...

Code Quandaries

Jan 1, 2006, By Mike Holt, NEC Consultant

Q. I recently came across a handhole with a metal cover in the backyard of a house that is used to splice the underground service conductors. I told the utility mechanic the cover needed to be grounded (bonded) because there could be accidental contact with live circuits....

Code Q&A

Dec 22, 2005, By Mike Holt

Q. What are the NEC grounding requirements for a satellite dish?...

Code Q&A

Dec 8, 2005, By Mike Holt

Q. How far away must a 120/208V, 3-phase panelboard be located from a janitorial closet sink?...

Code Quandaries

Dec 1, 2005, By Mike Holt, NEC Consultant

Q. I was told there is a 30-day limit for extension cord use in a commercial building. What's the story?...

Code Q&A

Nov 18, 2005, By Mike Holt

Q. Electricians in our area ground the metal conduit that runs up a utility pole to a local ground rod. Is this a Code compliant installation?...

Code Q&A

Nov 7, 2005, By Mike Holt

Q. A fellow electrician told me if I were to wire an aboveground storable pool pump motor for 240V operation, the receptacle outlet would need to be located 10 feet from the pool. I thought five feet was the minimum. Who’s right?...

Code Quandaries

Nov 1, 2005, By Mike Holt, NEC Consultant

Q. A new exception was added to 250.50 in the 2005 NEC, which states that concrete-encased electrodes are not required for existing buildings or structures where the conductive steel reinforcing bars aren't accessible without disturbing the concrete. Why was this exception added to the 2005 NEC, and what does this all mean?...