Rule 217A2 requires readily climbable supporting structures to be equipped with barriers to inhibit climbing by unqualified persons. The old rule had an exception that said that this rule does not apply when the right-of-way is fenced. Since there was no requirement for the fence, a split rail fence would satisfy the rule. The new [...]
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A fuel cell is an electrochemical device that combines hydrogen and oxygen to produce electricity, with water and heat as the by-product. A fuel cell is similar in structure to a battery but it does not run down, nor does it require recharging — as long as hydrogen is supplied, it will continue to operate. [...]
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When speaking of electromagnetic compatibility problems, the usual first thought goes in the direction of radio and television interference. But in the big field of electromagnetic compatibility, problems can also occur between different parts of an electrical distribution network. This article will report on a very unusual resonance phenomenon and a simple, practical solution. The [...]
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Abstract There are major issues and obstacles to an orderly transition to using and integrating all distributed power resources with electric power systems (grid or utility grid). The lack of national interconnection standards and tests for interconnection operation and certification, as well as the lack of national building, electrical, and safety codes, are understood and [...]
(No Ratings Yet)Building a career in the electrical trade requires personal investment in continuing education. Knowledge of the National Electrical Code is the common thread that connects entry-level apprentices to the seasoned journey-level or veteran master electricians with many years of experience in the field. As one starts out in the electrical field, his or her exposure [...]
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This article is one of a three-part series of articles that is intended to inform those involved with electrical installations and inspections about fuel cell technology. One article provides general information on fuel cell technology. Another article focuses on specific details associated with interconnection of a stationary fuel cell power plant to the electric grid. [...]
(No Ratings Yet)Question: Modified UL listing Can a UL Listed product be modified in the field if the manufacturer indicates that the revision is ok and sends out new parts?
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The Canadian Electrical Safety Regulatory System is governed according to two separate principles. The first is the formal legal or legislative arrangement that is the law as it applies to electrical safety in Canada and the second is the participation and cooperation of all Canadian electrical safety stakeholders, particularly the chief electrical regulatory authorities. The [...]
(No Ratings Yet)The IAEI Northwestern Section Annual meeting was in progress on September 11, 2001, when the attack on America occurred. That date will remain imprinted on our minds, and the mental images of the crash of the airliners into the World Trade Center and the subsequent collapse of the two buildings are still vivid. The initial [...]
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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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