First a little history of the National Electrical Code (NEC) dealing with the title of Article 680 and the addition of Part E. Fountains. The title of Article 680 in the 1962 NEC was “Swimming Pools” and remained that until the 1971 NEC when the title was changed to “Swimming and Wading Pools.” Then in [...]
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When smog kept suffocating three sprawling cities—Los Angeles, Paris, and Tokyo—in the early 1990s, a standardized infrastructure for charging electric vehicles (Evs) was at last seen as a worthwhile goal. The superiority of clean Evs to dirty gas-powered transportation was borne in on everyone as never before. But Evs stood no chance of success without [...]
(No Ratings Yet)Article 695 first appeared in the 1996 National Electrical Code, it covers the electrical construction and installation portion for Fire Pumps. The performance, maintenance and testing requirements are in NFPA 20. The committee received 23 proposals during the proposal stage and received 34 public comments during the comment period.
(1 votes, average: 4.00 out of 5)The National Electrical Manufacturers Association has just what you need to answer your circuitbreaker application and preventive maintenance questions. NEMA publishes two standards that provide a wealth of information to help users and specifiers select and maintain circuit breakers. NEMA Standards Publications AB 3-1996 and AB 4-1996 can answer application questions and preventive maintenance questions [...]
(No Ratings Yet)Sections 18 and 20 of the Canadian Electrical Code define hazardous locations and specify the types of electrical equipment and wiring methods acceptable in areas where flammable or explosive materials are handled, stored or produced. In such areas, the risk of a fire or explosion may exist due to the presence of flammable gases or [...]
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I spend a lot of time inspecting electric supply facilities for hazardous conditions and violations of the National Electrical Safety Code® (NESC®). Even when I’m on vacation, I don’t stop inspecting. I’ve shared the “problems” with my wife so often that now she points them out to me. I’ve driven all over the United States [...]
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Imagine yourself with the responsibility to provide more than 50,000 amps of safe electrical power over 140 miles of distribution cable powering 5,000 lighting units, day and night, for over seven months. Now add the following: 3,000 “practical” units will be repeatedly submerged in sea water, and, if that’s not enough, hundreds of swimmers will [...]
(No Ratings Yet)Question: Letter of findings I recently encountered a lightning protection system on a water treatment plant that was certified by UL with what was referred to as a ‘Letter of Findings.’ The only type of lightning protection certification I’m familiar with is the UL Master Label. What is a ‘Letter of Findings,’ and what other [...]
(No Ratings Yet)Certification is an important step in the progression of becoming a truly professional, highly trained and skilled electrical inspector. The Canadian Section of the IAEI promotes an inspector certification program in Canada and operates separately from its counterpart in the United States. An article on the Canadian Electrical Inspector Certification Program is scheduled for a later date.
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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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