Newly appointed Executive Director J. Phillip Simmons approached me and asked if I knew where Eustace C. Soares got his information to develop the tables for his book, Grounding Electrical Distribution Systems for Safety. Phil was referring particularly to those related to acceptable lengths of steel conduit and tubing for equipment grounding. I told Phil [...]
(No Ratings Yet)
So sayeth the inspector when faced with inspecting his or her first rooftop residential or commercial PV installation. Yes, PV systems have some unusual wiring methods allowed by the Code. However, since all of the usual wiring methods found in chapter 3 of the Code also apply, the inspector must sort through what is allowed [...]
(No Ratings Yet)The testing and certification industry today faces an urgent challenge from its customers: make the product approval process more convenient and less time consuming, enabling manufacturers to get new and redesigned products to market faster. In a business environment characterized by continually shrinking time–to–market windows, today’s manufacturers face increasing pressure to streamline their product development [...]
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Did you know that residential electrical fires, as reported by the National Fire Protection Association, causes an average of nearly 73,000 fires every year? These fires are responsible for 591 deaths, 1400 injuries and over $1 billion in property losses. Eighty-three percent of these electrical fires are caused by electrical arcing. Can something be done [...]
(No Ratings Yet)
Section 250.30(A) has been reorganized and restructured to provide a more logical layout and improve clarity for users as a result of the work of a task group to achieve those primary objectives. Table 1 cross-references and outlines the new arrangement of this section and provides a comparison between how this section was organized in [...]
(No Ratings Yet)The more accident investigations I perform, the more I am convinced that a thorough understanding of basic electricity is critical in solving tough cases. In the past twenty years, I have taught basic electricity more than any other subject. A majority of my students are lawyers. In order for them to understand how an electrical [...]
(No Ratings Yet)Out of more than 75 million American homeowners, one out of four never checks for electrical hazards and thus is vulnerable to electrical home-structure fires and other incidents that can cause significant personal and financial losses, a new survey commissioned by the Independent Insurance Agents & Brokers of America (IIABA) has found. The survey, conducted [...]
(No Ratings Yet)We Canadians and our American friends use the same language, English, to communicate among ourselves and with each other. We generally take it for granted that we will understand each other, but unfortunately that doesn’t happen automatically. This is often true, especially when we attempt to discuss precise, technical stuff such as the electrical code. [...]
(No Ratings Yet)Question: Email updates? Can I get an email update from UL when new information is added to UL’s Regulators page or other UL information is developed that may be of interest to me?
(No Ratings Yet)Question: EMT and medium voltage applications Can EMT be used in medium voltage applications for grounding purposes? Are all compression fitting couplings for EMT UL listed for grounding at all voltages?
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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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