ECM Buyers' Guide

national electrical code


What's Wrong Here? 

Jun 23, 2004, By Joe Tedesco

Hint: What isn't wrong here?...

What's Wrong Here? 

Jun 8, 2004, By Joe Tedesco

Hint: This installation was found at an industrial site....

Code Q&A 

Jun 8, 2004, By Mike Holt

Revising the Revisions 

Jun 8, 2004, 

Code Quiz 

Jun 8, 2004, By Steven Owen

Test your knowledge of the Code...

On the Road With the Code 

Jun 7, 2004, 

CodeWatch Archives 

Jun 3, 2004, 

Missed an issue of CodeWatch?...

Don't Let Voltage Drop Get Your System Down 

Jun 1, 2004, By Mike Holt, NEC Consultant

Contrary to common belief, the NEC generally doesn't require you to size conductors to accommodate voltage drop. It merely suggests in the Fine Print...

What's Wrong Here? 

May 21, 2004, By Joe Tedesco

Hint: Does this look like a weather-proof installation to you?...

Code Q&A 

May 21, 2004, By Mike Holt

The answers to your NEC quandaries...

Code Quiz 

May 21, 2004, By Steven Owen

Test your knowledge of the Code...

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 Q&A 

May 7, 2004, By Mike Holt

The answers to your NEC quandaries...

Code Quiz 

May 7, 2004, 

Test your knowledge of 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...

Code Quandaries 

May 1, 2004, By Mike Holt, NEC Consultant

Stumped by the Code?...

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?...

Installation and operation of optional standby systems 

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...

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product spotlight

Toroidal power transformers

Feb 8, 2012 8:39 AM

Toroidal power transformers

These toroidal power transformers are designed for medical applications...

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Arlington CP9000

Arlington's new 9" diameter ceiling cover plate is the neatest way to cover unused "high hat" cans. With no tools needed, installation couldn't be faster!...

Arlington Gangable Boxes

Designed for new or retrofit applications, these snap-together gangable plastic boxes eliminate the need to construct a multiple-gang steel box out of several individual ones...

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