Grounding In the “Perspectives on PV” article in the September-October 2004 issue of the IAEI News, the subject of grounding PV systems was covered in some detail. In the March-April 2005, IAEI News, we discussed the changes to Article 690 that appear in the 2005 National Electrical Code. As normally happens over the three-year code [...]
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The Sugar Cane Growers Cooperative of Florida is a 54-member sugar farmers’ cooperative that provides its members assistance with agricultural administration and processing operations for their more than 70,000 acres of sugarcane. At its Belle Glade plant, 24,000 tons of sugar cane is ground daily, producing 350,000 tons of raw sugar annually, on [...]
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The development of effective standards and guidelines for the design and construction of safe electrical facilities in water-related recreation, landscaping and commercial areas is an evolving discipline that is gaining in importance as these types of facilities become more popular. While the general class of facilities addressed here has existed for many years, there has [...]
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Separately derived systems can be grounded or ungrounded. The primary difference between a grounded derived system and an ungrounded derived system is that no intentionally grounded system conductor exists in an ungrounded system. All conductors derived from these systems are ungrounded conductors. Where the separately derived system is required to be grounded as provided in [...]
(1 votes, average: 5.00 out of 5)In the nearly 30 years that I have been dealing with the National Electrical Code, it never ceases to amaze me how many new applications we as code officials encounter that require us to apply the Code to installations not directly mentioned in the Code. Many times we look at installations during inspections or plan [...]
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Energy In Part 2, I discussed power. A light bulb rated at 100 watts and 120 volts will use 100 watts of power when operating at 120 volts. If I wanted to operate ten 100-watt light bulbs on a gasoline powered generator, the rated power output of the generator would have to be at least [...]
(No Ratings Yet)Canadian Electrical Code users have no doubt noticed the reminder (see Appendix B) next to the headings of many code rules. Appendix B is there to help us understand and correctly interpret the requirements of the code. It provides supplementary information including explanations, interpretations, other standards and sources of information to assist users in applying [...]
(No Ratings Yet)The Canadian electrical safety system is an envy of many countries that use their installation codes for regulatory purposes. This system is an excellent example of uniformity and consistency on application of the Canadian Electrical Code throughout jurisdictional areas of the country. The reason for such uniformity is based on the fact that all electrical [...]
(No Ratings Yet)Question: Listed fire alarm systems Are fire alarms listed as a system and not just listed components? How can an AHJ be assured that the use of a device made by one manufacturer will not have a negative impact on the function and reliability of fire alarm system made by another manufacturer? Do all the [...]
(No Ratings Yet)Question: Switchboards and conductors Do UL listed or CUL listed switchboards require conductors of different voltage be provided with barriers between the conductors?
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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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