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Monthly Archives: April 2015

Analysis of Changes, 2017 NEC

According to the National Fire Protection Association, 4,012 public inputs were submitted to NFPA recommending changes from the 2014 NEC to the 2017 NEC....

Considering Clarified Cable Calculations

Some of us, including inspectors, plan reviewers, electricians, and PV installers have been working with the Code for many years. We have seen the...

NEC Article 410 — Luminaires, Lampholders and Lamps

This month we will continue the series of articles covering basic electrical inspection items. Article 410 is another example of an article in Chapter...

Support of Exposed Cable for PV Systems: Requirements and Recommendations

PV systems often include a variety of wiring methods in a single system. Many of these wiring methods are commonly used throughout the electrical...

Code Hunter — Support, 2014 NEC

The Questions To play this game, you need a sharp eye, a quick mind and a 2014 National Electrical Code book. (Fill-in-the-blank questions are looking for...

UL Question Corner: Can I use a reducing washer on a concentric knock out?

Question If I have an installation that is 120 V or 208V and use a reducing washer in a concentric knock out in a panelboard...

What does IAEI do?

Have you ever been at a business function or social gathering when someone you have been introduced to asked, “What do you do?” or...
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