For those of us who have been using the NEC for a number of years, when looking at the 1999 edition, we see a whole new document. This will be a cycle of relearning what we already know. Along with the changes is the relocation of a lot of existing information. It would be impossible [...]
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Article 690, Solar Photovoltaic Power Systems, has been in the National Electrical Code (NEC) since 1984. An NFPA-appointed Task Group for Article 690 proposed changes to Article 690 for both the 1996 and 1999 codes. The Task Group, supported by more than 50 professionals from throughout the photovoltaic (PV) industry, met seven times during the [...]
(No Ratings Yet)Question: GTO cable Which GTO cable types may be used in electric signs? I am especially interested in the cable that looks like a coaxial cable. Answer The following GTO cable types may be used in electric signs (UXYT), and in field-installed skeleton tubing (UZBL): GTO Cable (general information) — GTO cable is listed under [...]
(No Ratings Yet)Tom had flash burns to his face. Fortunately, he had been wearing safety glasses. What was left of his right arm had to be amputated above the elbow. He was in the hospital for almost four months. The medical care and physical therapy would continue for years. Tom said that he and two experienced linemen [...]
(No Ratings Yet)Two major purposes of the IAEI is to promote the uniform understanding and application of the NEC and other electrical codes and to collect and disseminate information relative to the safe use of electricity. In trying to achieve these objectives or goals, the IAEI focuses on education for both its members and the electrical industry [...]
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Introduction Photovoltaic (PV) systems that generate electricity from sunlight are being installed in ever increasing numbers throughout the United States and the rest of the world. Over 150 megawatts of PV modules are being produced worldwide annually and these PV modules, when exposed to sunlight, will be generating electricity for the next thirty years and [...]
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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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