Code Q&A 

Dec 11, 2006, By Mike Holt

Code Quiz 

Nov 27, 2006, By Steven Owen

Code Q&A 

Nov 27, 2006, By Mike Holt

Q. What are the limitations on the use of rigid nonmetallic conduit in an underground application serving a gasoline dispenser?...

Code Quiz 

Nov 13, 2006, By Steven Owen

Code Q&A 

Nov 13, 2006, By Mike Holt

Q. Can Table 310.15(B)(6) (reduced size wire for dwelling unit service) be used to size the service neutral conductor for a single-family dwelling?...

AFCIs on the Brink of a Home Invasion 

Nov 1, 2006, By Beck Ireland, Staff Writer

If proposal #2-142 of the National Electric Code (NEC) passes, it will require combination-type arc-fault circuit interrupter (AFCI) protection for all...

Fire Alarm System Facts 

Nov 1, 2006, By Mike Holt, NEC Consultant

Article 760 tells us how to install wiring and equipment for fire alarm systems, including all circuits these devices control and provide power to. What...

Top 50 NEC Rules 

Oct 25, 2006, By Mike Holt

Code Quiz 

Oct 25, 2006, By Steven Owen

Code Q&A 

Oct 25, 2006, By Mike Holt

Q. Do I have to use bonding jumpers around listed reducing washers?...

Code Quiz 

Oct 11, 2006, By Steven Owen

Grounding and Bonding of Separately Derived AC Systems 

Oct 11, 2006, By Mike Holt

Code Q&A 

Oct 11, 2006, By Mike Holt

Q. If an outdoor generator has a disconnect, do I need an additional disconnect where the conductors enter the building?...

Article 725: Around the Circuit 

Oct 1, 2006, By Mike Holt, NEC Consultant

In last month's Code Basics article, starting on page 56 of the September issue, we spent most of our time discussing Class 1 circuits. Now, it's time...

Illustrated Catastrophes 

Oct 1, 2006, By Joe Tedesco, NEC Columnist

As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without...

Code Quiz 

Sep 25, 2006, By Steven Owen

Code Q&A 

Sep 25, 2006, By Mike Holt

Q. Can I use 12-3 NM cable to wire the bathroom GFCIs and laundry circuit in a dwelling?...

Top 50 NEC Rules 

Sep 25, 2006, By Mike Holt

Grounding & Bonding Requirements 

Sep 8, 2006, By Mike Holt

You basically perform work on two types of systems: solidly grounded or ungrounded. The general requirements for grounding and bonding these systems can be summarized as follows...

Code Quiz 

Sep 8, 2006, By Steven Owen

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