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Thursday, July 27, 2017

Monthly Archives: July 2006

Achieving The Art of The Possible

Those who have been following this series of articles for the last year or so may wonder what is involved in designing and installing...

VFDs for Energy Savings in Hospitals – what they are, how they work, and...

What Is a VFD? A variable frequency drive (VFD) is an electrical device we use to control the speed of a standard three-phase ac induction...

Article 675 – Electrical Driven or Controlled Irrigation Machines

Welcome to the Rodney Dangerfield of NEC articles! Irrigation machines? Most of you will labor your entire electrical careers without ever having seen one...

The 2007 NESC – Part 3

This article is a continuation of what I see as significant changes that are coming in the 2007 revision of the National Electrical Safety...

Tricky Rules

Several of the rules in the Canadian Electrical Code are quite complicated, and it requires our close attention to get them right. This article...

Should Changes at “The Fed” Affect How You Invest?

It’s been a long time since someone other than Alan Greenspan has served as chairman of the Federal Reserve Board of Governors. In fact,...

Choosing the Right Interconnect Solution for Your Application

The world’s population, although greater than ever, is also more connected than ever. We are linked by satellite, Internet, fiber optic cables, and high...

Buyers Beware: Electrical Instrumentation for Use in Hazardous Locations

Buyers of salvaged, remanufactured, refurbished or new surplus electrical instrumentation for use in hazardous locations (including chemical process plants, refineries, and other industries/applications which...

Analysis of Changes, Part 1, NEC-2008

Revisions to the NEC are inevitable, and given the unique and important nature of this electrical safety standard, very necessary. The NEC development process...

Emergency Lighting and Exit Signs Application and Installation Requirements

Application of certain types of electrical equipment may be governed by codes other than the Canadian Electrical Code (CEC). Emergency lighting and exit signs...
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