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Monthly Archives: January 2009

Unraveling the Mysterious 705.12(D) Load Side PV Connections

The requirements pertaining to the connection of utility-interactive photovoltaic (PV) power systems to the load side of the main service disconnecting means have been...

PV Math

As we look at the PV array in a PV system, we find that many installers and inspectors are confused by the new system...

A Checklist for Surviving Financial Combat

Over the past few weeks, the news has been almost incomprehensible. It’s hard for many of us to make sense of the failure of...

Does the unit switch on a household dishwasher qualify as a disconnect in accordance...

Question: Dishwasher unit switch Does the unit switch on a household dishwasher qualify as a disconnect in accordance with NEC 422.34? Answer No, the unit switch in...

A contractor indicated that a UL Listed fiber optic swimming pool light was not...

Question: Fiber optic swimming pool light A contractor indicated that a UL Listed fiber optic swimming pool light was not provided with installation instructions. Are...

Application of Section 46 of the CE Code: Now and in the 2009 edition...

Code users often ask whether Section 46 of the CE Code governs only the requirements foremergency systemsthat are mandated by the National Building Code...

Sections 18 and 20 – A Look at Hazardous Locations

A hazardous location is defined by the Canadian Electrical Code as a location where the hazard of fire or explosion exists as a result...

What can I do for IAEI?

As I write this month’s editorial it is just after the annual section meetings and just before the International Board of Directors meeting, and...

IAEI Membership – A Value That Is Unmatched

Role of the International Membership Committee The International Membership Committee held its annual meeting at IAEI International headquarters in November 2008. The primary purpose of...

Using Technology to Minimize the Arc-Flash Hazard

Although arc hazards have existed since man began using electricity, increasing deaths, injuries and property loss from arcing faults have led to increased awareness...
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