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"National Fire Protection Association. National Electrical Code."
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Audel Questions and Answers for Electrician's Examinations
Your study guide for success To pass the state licensing exam, you need knowledge and confidence. This comprehensive review guide gives you plenty of both. It's packed with sample questions to help you focus your efforts, review material on all aspects of the 2002 National Electrical Code (NEC), the lowdown on business competency requirements, and tips for studying and test-taking that will help you conquer any anxiety.
* Learn the definitions, specifications, and regulations of the 2002 NEC
* Find answers to questions you can expect on license exams
* Brush up on taxes, unemployment, workers compensation, OSHA, lien laws, and other aspects of the business competency exam
* Get up to speed on telecommunications issues
* Review electrical laws, components, and circuits, motors, controllers, generators, distribution, welding, transformers, safety, and more
* Boost your confidence with studying and test-taking tips
eBook
Providing circuit protection for safety
[...]fuses inherently increase the chance of single phasing. [...]while a fuse protects the system from a fault, equipment can be damaged by a single-phase condition, so key equipment should be equipped with blown-fuse detection phase monitoring devices. Whether it's a circuit breaker or fuse, or branch circuit or supplemental protection, users must pay attention to operating conditions, such as high inrush current, maximum amperage and voltage, maximum short circuit currents, and other factors. Industrial machinery with safety interlock circuits shall have surge protection installed * Article 695.15: A listed surge protection device shall be installed in or on the fire pump controller * Article 700.8: A listed SPD shall be installed in or on all emergency systems switchboards and panelboards * Article 708.20: Circuit protection is critical to protect a machine from currents greater than the machine or device's current-carrying capacity. ^ 'Proper electrical safety protection is the key to safely removing the effects of dangerous overcurrent due to short circuits, overloads, ground faults, voltage transients from switching surges, and other abnormal conditions. ^ ^ Some breakers include current-limiting designs to provide fast operation during short short circuit events.
Trade Publication Article
The Honolulu Star-Advertiser Kokua Line column
The number shown is sometimes referred to as the \"Tau\" number, he said, explaining that Tau is an old Chinese measuring system dealing with the total grams of powder. \"Because firecracker strings can be manufactured with thicker or thinner firecrackers and larger or smaller heads, a string will not have the same number of firecrackers from brand to brand and even between strings from the same brand manufactured at different times,\" Seelig said.
Newsletter
The Honolulu Star-Advertiser Kokua Line column
\" \"Because there is no tobacco in them, (e-cigarettes) are not covered,\" said Julian Lipsher, chief of the state Department of Health's Chronic Disease Management and Control Branch, which includes the Tobacco Prevention & Education Program.
Newsletter