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Thursday, July 27, 2017

Monthly Archives: September 2006

Penetrating PV Questions from Inspectors

Based on this series of articles and presentations that I make to groups of inspectors around the country, I get several calls and e-mails...

New Form of MC Cable Crosses Application Boundaries

The traditional distinction between MC and AC cable applications is changing because of a new interlocked armor ground Type MC cable. In the last...

Analysis of Changes, NEC-2008, Part II

In the July/August issue, we provided a glimpse of some of the more significant changes proposed and accepted for NEC-2008. This article is a...

A Hazard-Based Approach to Reduce the Risk of Shock

Hazard-based product safety standards are now under development, and this hazard-based approach is likely soon to affect other product/equipment safety standards as well as...

ARE WE READY FOR SOME FOOTBALL? Special Events Inspections

When the city of Detroit hosted the biggest sporting event of the year, Super Bowl XL, the Buildings & Safety Engineering Department (B&SED) played...

Specifying Adjustable Frequency Drives for Electromagnetic Compatibility in HVAC Applications

Electromagnetic compatibility (EMC) is the ability of electrical / electronic equipment to operate in its installation environment while neither causing nor experiencing electromagnetic interference...

New Tax Laws May Aid Your Investment Strategy

If you’re an investor, especially a business owner in the higher tax brackets, you’ll want to pay close attention to some of the provisions...

California Warms Up…to Cold Cathode

In September 2005, the California Public Utilities Commission (CPUC) announced "the most ambitious energy and efficiency campaign in the history of the utility industry...

CEC 2006 – Neutral Grounding Devices, Rules 10-1100 to 10-1108

Rules 10-1100 to 10-1108 of the Canadian Electrical Code provide rules on installing neutral grounding devices (grounding resistors) used for the purpose of controlling...

The 2007 NESC – Part 4

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