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Thursday, July 27, 2017

Monthly Archives: May 2014

NEC and Worker Safety

The National Electrical Code (NEC) is a document that seeks the practical safeguarding of persons and property from hazards arising from the use of electricity. We...

The Big Picture

In my jurisdiction, we provide electrical inspection training for our combination inspectors twice a month (along with mechanical/plumbing and building code). The ongoing joke...

CEC Rule 4-006 and Ontario’s Perspective

There is new Rule (4-006) in Canadian Electrical Code 2012 (CEC 2012), with requirements to consider maximum equipment termination temperature in determining the conductor ampacity. This...

Raceway Systems

In the last article, we discussed cable wiring methods. Continuing in Chapter 3, we find ourselves considering the various raceway systems used in electrical...

ESFI Offers Tips on Avoiding Counterfeit Electrical Products

Over the past decade, U.S. seizures of counterfeit products have increased more than 325%. Consumer electronics, with a value of almost $40 million, were...

2015 CE Code — Part 1 Changes

This is the first of several articles detailing significant changes for the 2015 Canadian Electrical Code Part I (CE Code). The final meeting for 2015...

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...

Cables and Connectors for PV Modules

INTRODUCTION The exposed cables and connectors used in PV source circuits are some of the most critical components of a PV system in terms of...

The Case for Advanced High Resistance Grounding

The decision on which grounding system to employ has a direct and quantifiable impact on electrical safety and reliability. As the table below indicates,...

2014 National Electrical Code Updates – Wire and Cable

The 2014 National Electrical Code contains numerous changes that affect wire and cable installations. This article will cover a few of the highlights, discuss why the...
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