NEC http://ecmweb.com/taxonomy/term/6614/more en Panelboard Bonding in Patient Care Vicinities http://ecmweb.com/bonding-grounding/panelboard-bonding-patient-care-vicinities <div class="node-body article-body">Article 250 of the National Electrical Code (NFPA 70) addresses grounding and bonding requirements for electrical installations — addressing topics ranging from bonding jumpers to grounding of electrical equipment to ungrounded systems and even a section on how to prevent “objectionable currents.”</div> <p><a href="http://ecmweb.com/bonding-grounding/panelboard-bonding-patient-care-vicinities" target="_blank">read more</a></p> http://ecmweb.com/bonding-grounding/panelboard-bonding-patient-care-vicinities#comments Bonding & Grounding Design NEC Mon, 23 Jan 2017 20:54:00 +0000 144721 at http://ecmweb.com Code Quiz of the Week: No. 59 http://ecmweb.com/galleries/code-quiz-week-no-59 <div class="node-body gallery-body">Take this weekly quiz to test your knowledge of the 2014 National Electrical Code requirements.</div> <p><a href="http://ecmweb.com/galleries/code-quiz-week-no-59" target="_blank">read more</a></p> http://ecmweb.com/galleries/code-quiz-week-no-59#comments Quizzes Galleries Mon, 23 Jan 2017 14:09:00 +0000 144681 at http://ecmweb.com <p><em>Photo credit: stalkerstudent/iStock/Thinkstock</em></p> Is it an Emergency System or Just an Optional Standby System? http://ecmweb.com/nec/it-emergency-system-or-just-optional-standby-system <div class="node-body article-body">Many unit substations and instrumentation rooms in industrial process facilities use a combination of an uninterruptable power supply (UPS) and generator(s) to bring the process unit down in a controlled manner upon power interruptions. </div> <p><a href="http://ecmweb.com/nec/it-emergency-system-or-just-optional-standby-system" target="_blank">read more</a></p> http://ecmweb.com/nec/it-emergency-system-or-just-optional-standby-system#comments NEC Power Quality Fri, 20 Jan 2017 21:33:00 +0000 144651 at http://ecmweb.com Shutterstock\Robert Asento Stumped by the Code? Rules for sizing transformer secondary conductors? http://ecmweb.com/qa/stumped-code-rules-sizing-transformer-secondary-conductors <div class="node-body article-body">What are the NEC rules for sizing transformer secondary conductors? </div> <p><a href="http://ecmweb.com/qa/stumped-code-rules-sizing-transformer-secondary-conductors" target="_blank">read more</a></p> http://ecmweb.com/qa/stumped-code-rules-sizing-transformer-secondary-conductors#comments Q&A Design Silver Thu, 19 Jan 2017 22:00:00 +0000 144511 at http://ecmweb.com Illustrated Catastrophes: Outdoor Atrocity http://ecmweb.com/violations/illustrated-catastrophes-outdoor-atrocity <div class="node-body article-body">Check out the latest Code violations</div> <p><a href="http://ecmweb.com/violations/illustrated-catastrophes-outdoor-atrocity" target="_blank">read more</a></p> http://ecmweb.com/violations/illustrated-catastrophes-outdoor-atrocity#comments Violations Silver Thu, 19 Jan 2017 22:00:00 +0000 144531 at http://ecmweb.com Branch-Circuit Basics http://ecmweb.com/code-basics/branch-circuit-basics <div class="node-body article-body">Understanding the branch-circuit requirements in Art. 210 is critical to completing Code-compliant installations. </div> <p><a href="http://ecmweb.com/code-basics/branch-circuit-basics" target="_blank">read more</a></p> http://ecmweb.com/code-basics/branch-circuit-basics#comments Code Basics Design Silver Thu, 19 Jan 2017 22:00:00 +0000 144501 at http://ecmweb.com What's Wrong Here? Hint: Help support our cause. http://ecmweb.com/whats-wrong-here/whats-wrong-here-hint-help-support-our-cause <div class="node-body article-body">How well do you know the Code? Think you can spot violations the original installer either ignored or couldn’t identify? </div> <p><a href="http://ecmweb.com/whats-wrong-here/whats-wrong-here-hint-help-support-our-cause" target="_blank">read more</a></p> http://ecmweb.com/whats-wrong-here/whats-wrong-here-hint-help-support-our-cause#comments What's Wrong Here? Silver Thu, 19 Jan 2017 22:00:00 +0000 144541 at http://ecmweb.com What’s Wrong Here? Hint: This gives me a hollow, empty feeling inside http://ecmweb.com/whats-wrong-here/what-s-wrong-here-hint-gives-me-hollow-empty-feeling-inside <div class="node-body article-body">Think you know how this installation violates the NEC? </div> <p><a href="http://ecmweb.com/whats-wrong-here/what-s-wrong-here-hint-gives-me-hollow-empty-feeling-inside" target="_blank">read more</a></p> http://ecmweb.com/whats-wrong-here/what-s-wrong-here-hint-gives-me-hollow-empty-feeling-inside#comments What's Wrong Here? Silver Thu, 19 Jan 2017 20:19:00 +0000 144461 at http://ecmweb.com Time to Comment on TIA Related to Splices in Temporary Installations http://ecmweb.com/news/time-comment-tia-related-splices-temporary-installations <div class="node-body article-body">Tentative Interim Amendment (TIA) Log #1244 to NFPA 70, National Electrical Code, 2017 edition, revises Sec. 590.4(G). </div> <p><a href="http://ecmweb.com/news/time-comment-tia-related-splices-temporary-installations" target="_blank">read more</a></p> http://ecmweb.com/news/time-comment-tia-related-splices-temporary-installations#comments NEC News Thu, 19 Jan 2017 20:16:00 +0000 144491 at http://ecmweb.com Moving Violations Video No. 135: Hot Mess http://ecmweb.com/moving-violation-videos/moving-violations-video-no-135-hot-mess <div class="node-body video-body">Find the Code violations in this video.</div> <p><a href="http://ecmweb.com/moving-violation-videos/moving-violations-video-no-135-hot-mess" target="_blank">read more</a></p> http://ecmweb.com/moving-violation-videos/moving-violations-video-no-135-hot-mess#comments Moving Violation Videos Thu, 19 Jan 2017 16:09:00 +0000 144451 at http://ecmweb.com