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Code Q&A 

May 7, 2004, By Mike Holt

The answers to your NEC quandaries...

Code Calculations 

May 7, 2004, By Mike Holt, Mike Holt Enterprises, Inc.

The ampacity of a conductor as listed in Table 310.16 is based on the conductor operating at an ambient temperature of 86ºF (30ºC). When the ambient temperature...

Code Quiz 

May 7, 2004, 

Test your knowledge of the Code...

Code Quandaries 

May 1, 2004, By Mike Holt, NEC Consultant

Stumped by the Code?...

Motors, Motor Circuits, and Controllers, Oh My! 

May 1, 2004, By Mike Holt, NEC Consultant

Don’t be intimidated by the largest chapter of the NEC...

Motor Calculations Part 2: Feeders 

May 1, 2004, By Mike Holt, NEC Consultant

What’s the correct way to size motor feeders and related overcurrent protection?...

Code Basics 

Apr 23, 2004, By Mike Holt

With last year’s blackout still lingering on the minds of many, the use of optional standby power systems is worth a closer look. ...

Code Quiz 

Apr 23, 2004, 

Test your knowledge of the Code...

Cords and Fixture Wires 

Apr 1, 2004, By Mike Holt, NEC Consultant

Correctly applying the requirements of Art. 400 and 402 can prevent serious problems...

Illustrated Catastrophes 

Apr 1, 2004, By Joe Tedesco, NEC Columnist

More Code catastrophes...

Code Quandaries 

Apr 1, 2004, By Mike Holt, NEC Consultant

Stumped by the Code?...

Motor Calculations Part 1: Motors and Branch-Circuit Conductors 

Apr 1, 2004, By Mike Holt, NEC Consultant

Overcurrent and short-circuit protection aren’t the same for motors...

Art. 300: Wiring Methods 

Mar 1, 2004, By Mike Holt, NEC Consultant

After a small engine plant began experiencing severe power quality problems and the subsequent investigation showed the wireways weren't electrically...

Size Does Matter 

Mar 1, 2004, By Mike Holt, NEC Consultant

The NEC requirements for sizing and installing boxes, conduit bodies, and fittings help prevent damage to conductor insulation during installation and...

Illustrated Catastrophes 

Mar 1, 2004, 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...

Appleton offers free Code review guide 

Feb 12, 2004, 

Guide available in DVD format...

Illustrated Catastrophes 

Feb 1, 2004, By Joe Tedesco, NEC Columnist

More Code catastrophes...

Code Basics 

Feb 1, 2004, By Mike Holt, NEC Consultant

Art. 240: Overcurrent Protection...

Code Quandaries 

Feb 1, 2004, By Mike Holt, NEC Consultant

Stumped by the Code?...

Code Calculations 

Feb 1, 2004, By Mike Holt, NEC Consultant

A Box, is a Box, is a Box, Right?...

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