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The Wind of Change Hits the NEC  by Michael Johnston  This article provides an overview of the information contained in the new Analysis of Changes, 2005 NEC, as well as a look at a few specific changes in detail. Perspectives on PV: Should They Be Grounded?     by John Wiles At first glance, the obvious answer is: Photovoltaic (PV) systems are no different from other electrical power systems, and of course they should be grounded as required by the NEC. The real question is: How critical is grounding PV systems?

Why are We Here? And Where Will We Be Tomorrow?   by George Ockuly In America, a safe, reliable electrical system is generally considered a given. We pretty much take our premises' wiring systems for granted. They are safe, functional and cost-effective. These attributes have a significant economic impact on our lives, as well as our standard of living. ID Theft: Keeping a Grip on Your Valuables and Identity!  by Federal Trade Commission Can you prevent identity theft from occurring? As with any crime, you cannot completely control whether you will become a victim. But, according to the Federal Trade Commission (FTC), you can minimize your risk by managing your personal information cautiously and with heightened sensitivity. Hey Rube! (pdf) by Xen George Anchales This is a call for help to review a draft checklist entitled "Portable Wiring and Equipment Requirements for Carnivals, Circuses, Fairs and Similar Events." Electrical Safety Should Not Be Compromised  by Eric Thies Some Canadian electrical utilities and manufacturers go one step further than just depending on warning signs to draw attention to high voltage hazards near electrical installations.

Editorial: Two Down, and...  by James Carpenter, CEO/Executive Director Another year has passed since I became your CEO and Executive Director. Two years and you would think I would have learned all about the operation of the International Association of Electrical Inspectors by now. Things just keep changing! Just when I think I have a handle on a situation something else comes along. Canadian Code: Looking at Signs  by Leslie Stoch The Canadian Electrical Code, Section 36 defines high voltage as any voltage in excess of 750 volts. Rule 36-006 specifies all of the locations and situations where special signage is required to warn persons of high voltage hazards, awareness being extremely important for protection against electric shock. Another important consideration—access to high voltage areas must at all times be confined to people with special qualifications for entering and working in such areas and therefore all such areas must be accurately identified. Electricity Fundamentals: Basic Electricity—Part 2  by David C. Young, PE In part 1, I described current as being the motion of electrons from one atom to the next within a material. A material’s ability to conduct current is a function of its ability to pass on electrons. All materials conduct current to some degree. Materials that resist the passing on of electrons are called insulators. Materials that put up very little resistance to the passing on of electrons are called conductors. UL Question Corner  (pdf) by Underwriters Laboratories The “UL Question Corner” answers questions of general interest that are sent in from authorized government inspectors and we believe will have interest for many inspectors.

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