The first change that will be apparent is the relocation of Article 80, covering administration and enforcement requirements, to Annex G. The information has not been revised, is still informational in nature as it was in the 2002 NEC, and can be adopted as requirements by jurisdictions that so choose. A few changes were implemented [...]
(No Ratings Yet)There is not a single person in this room whose life has not been affected by the National Electrical Code, some of us by the inherent safety in our home’s wiring system, and others by the safety and functionally of our office or plant’s electrical distribution system. In America, a safe, reliable electrical system is [...]
(No Ratings Yet)
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 National Electrical Code. The real question is: How critical is grounding PV systems? Let us examine the various features of PV systems that relate to grounding. [...]
(5 votes, average: 4.20 out of 5)The 1990s spawned a new variety of crooks called identity thieves. Their stock in trade? Your everyday transactions, which usually reveal bits of your personal information: your bank and credit card account numbers; your income; your Social Security number (SSN); or your name, address and phone numbers. An identity thief obtains some piece of your [...]
(No Ratings Yet)
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. [...]
(No Ratings Yet)Question: Equipment and field evaluation What are the types of equipment that can be subject to a field evaluation?
(No Ratings Yet)Question: Type EMT fittings In the January/February 2004 edition of the UL Question Corner, the article said at that time there was only one manufacturer of listed raintight compression type EMT fittings. Is there more than one manufacturer available today with compression type EMT fittings and couplings listed as suitable for raintight or wet locations? [...]
(No Ratings Yet)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 [...]
(No Ratings Yet)With a permanently mounted live line indicator, the end-users are instantly warned that a particular part of their high voltage installation is energized and under power. The fixed mounted high voltage indicators are protective safety devices that will indicate the status of the electrical distribution system to the worker, maintenance personnel or inspectors. When approaching [...]
(No Ratings Yet)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. Get [...]
(No Ratings Yet)
IAEI, as the keystone of the electrical industry, is a membership driven, non-profit association promoting electrical safety throughout the industry by providing premier education, certification of inspectors, advocacy, partnerships and expert leadership in Electrical Codes and Standards development.
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