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Protection of Electrical Conductors Against Exposure to Fire — Reality and...

Although I wrote an article on this subject just more than a year ago, I have received a few e-mails with questions from the...

Articles 366 through 364

In this article we will conclude our discussion of Chapter 3 of the 2011 National Electrical Code. Starting with Article 366, we will cover...

Enter the Nonmetallic-Sheathed Cable Interconnector

In the March-April 2014 issue, IAEI published an article entitled, “Maintaining a Safe and Reliable Electrical System. One of our members lodged his adamant...

Selection of conductors: Do we have a problem with this?

Apparently, we do. And there are numerous bits of information published on this subject that create further confusion. One such piece is published in this...

Articles 312 and 314

Our focus for this article will be 2011 NEC Articles 312 and 314. These two articles deal with similar subjects, so they have some...

Article 310, Conductors for General Wiring

We have finally reached the portion of the code that deals with conductors. Conductors are used on every electrical installation, so naturally we have a...

Protection of Electrical Conductors Against Exposure to Fire: What, Why and...

The subject of fire protection of electrical conductors appears to create some confusion in the industry, and this article attempts to clarify provisions of...

Parallel Conductors Revisited

High ampacity services and feeders are often installed with conductors in parallel to reduce pulling tensions and for easier handling. I’m sure you are...

Selection of conductors – do we have a problem with this?

Apparently, we do. However, there is no reason to generalize this problem. Although there might be problems (or rather challenges) for the code users...

Motor Supply Conductors

It’s Complicated — you’ve probably seen this witty movie about divorce. Motor wiring rules are complicated too, but not nearly as amusing as the...
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