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Monthly Archives: January 2003

Standards through Consensus for Electrical Products in Canada

In Canada, CSA is one of four nationally accredited Standard Development Organizations (SDO) and publishes Canada’s electrical code and electrical product standards. The Canadian Electrical...

The Truth About AFCIs (Part 1)

Arc-fault circuit interrupters (AFCIs) have just become required for installation in residences under the 2002National Electrical Code(NEC). Not surprisingly, questions have been raised regarding...

Disconnecting Means for Motor and Air-conditioning Equipment

The purpose of electrical codes is practical safe guarding of persons and property from the hazards associated with electricity. Numerous prescriptive requirements address safety...

NESC Substation Grounding – Part 3

After completing the soil resistance measurements at the proposed substation site, the next step is the development of a mathematical equivalent soil model that...

Lambeau Redevelopment, Green Bay, Wisconsin: Witness Testing of the Emergency Lighting System

A recent Harris poll indicated the Green Bay Packers are "America’s Football Team.” If you’re a sports fan and you hear "Green Bay Packers,”...

The 3rd Harmonic Blocking Filter: A Well Established Approach to Harmonic Current Mitigation

It has long been recognized that harmonic currents, particularly the 3rd harmonic, flowing in a wye distribution system serving multiple computer loads, are detrimental...

Is Type RHH wire in EMT, with a two-hour fire rating Listed as circuit...

Question: Listed RHH wire Is Type RHH wire in EMT, with a two-hour fire rating Listed as circuit integrity cable? Is this acceptable because it...

Anyone Can Be a Residential Electrical Inspector?

What is the IAEI all about? To me the IAEI’s primary concern is safety! It insists on electrical safety wherever electricity is used. It...
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