NEC http://ecmweb.com/taxonomy/term/6614/more en Code Quiz: Underground Systems Containing Mixed Wiring Types http://ecmweb.com/quizzes/code-quiz-underground-systems-containing-mixed-wiring-types <div class="node-body article-body">Per Sec. 820.47(A) of the 2014 NEC, when installing underground coaxial cables in a duct, pedestal, handhole enclosure, or manhole that contains electric light, power, or Class 1 or non-power-limited fire alarm circuit, conductors shall be in a section permanently separated from such conductors by means of a _________.</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/quizzes/code-quiz-underground-systems-containing-mixed-wiring-types" target="_blank">read more</a></p> http://ecmweb.com/quizzes/code-quiz-underground-systems-containing-mixed-wiring-types#comments Quizzes Silver Thu, 23 Apr 2015 19:59:00 +0000 114941 at http://ecmweb.com What’s Wrong Here? Hint: Wire Size http://ecmweb.com/whats-wrong-here/what-s-wrong-here-hint-wire-size <div class="node-body article-body"><p>&nbsp;</p> <p>How well do you know the Code? Think you can spot violations the original installer either ignored or couldn&#39;t identify? Here&#39;s your chance to moonlight as an electrical inspector and second-guess someone else&#39;s work from the safety of your living room or office. It&#39;s your turn to identify the violation.</p> <p><img alt="" src="/site-files/ecmweb.com/files/uploads/2015/02/4-23-15WWHweb.jpg" style="width: 450px; height: 600px;" /></p> <p><strong>Hint:</strong> &nbsp;Wire size</p></div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/whats-wrong-here/what-s-wrong-here-hint-wire-size" target="_blank">read more</a></p> http://ecmweb.com/whats-wrong-here/what-s-wrong-here-hint-wire-size#comments What's Wrong Here? Silver Thu, 23 Apr 2015 19:52:00 +0000 114931 at http://ecmweb.com Code Q&A: 25-Ft Tap Rule http://ecmweb.com/qa/code-qa-25-ft-tap-rule <div class="node-body article-body">Q. Please explain the 25-ft tap rules in the NEC?</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/qa/code-qa-25-ft-tap-rule" target="_blank">read more</a></p> http://ecmweb.com/qa/code-qa-25-ft-tap-rule#comments Q&A Silver Thu, 23 Apr 2015 15:08:00 +0000 114971 at http://ecmweb.com Test Your Medium-Voltage Knowledge of the NEC http://ecmweb.com/nec/test-your-medium-voltage-knowledge-nec <div class="node-body gallery-body">This gallery notes the key sections of the National Electrical Code (NEC) that refer to medium-voltage systems.</div> <div class="field-interstitial-ads-frequency"> <span>Interstitial Ads Frequency:&nbsp;</span> -1 </div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/nec/test-your-medium-voltage-knowledge-nec" target="_blank">read more</a></p> http://ecmweb.com/nec/test-your-medium-voltage-knowledge-nec#comments Design NEC Wed, 22 Apr 2015 19:23:00 +0000 114911 at http://ecmweb.com Moving Violations Video No. 94: Creative Wiring Arrangement http://ecmweb.com/moving-violation-videos/moving-violations-video-no-94-creative-wiring-arrangement <div class="node-body video-body">In this episode, Russ shows us an installation that violates the requirements of Sec. 314.3 of the 2014 NEC.</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/moving-violation-videos/moving-violations-video-no-94-creative-wiring-arrangement" target="_blank">read more</a></p> http://ecmweb.com/moving-violation-videos/moving-violations-video-no-94-creative-wiring-arrangement#comments Moving Violation Videos Wed, 22 Apr 2015 14:16:00 +0000 114901 at http://ecmweb.com Wrong Here? Hint: Exposure Disclosure http://ecmweb.com/whats-wrong-here/wrong-here-hint-exposure-disclosure <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> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/whats-wrong-here/wrong-here-hint-exposure-disclosure" target="_blank">read more</a></p> http://ecmweb.com/whats-wrong-here/wrong-here-hint-exposure-disclosure#comments What's Wrong Here? Silver Mon, 20 Apr 2015 22:58:00 +0000 114401 at http://ecmweb.com Illustrated Catastrophes: A Whole-Lotta-Wrong http://ecmweb.com/violations/illustrated-catastrophes-whole-lotta-wrong <div class="node-body article-body">I’m not quite sure where to begin with this one because there is so much wrong.</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/violations/illustrated-catastrophes-whole-lotta-wrong" target="_blank">read more</a></p> http://ecmweb.com/violations/illustrated-catastrophes-whole-lotta-wrong#comments Violations Silver Mon, 20 Apr 2015 22:54:00 +0000 114411 at http://ecmweb.com The Basics of Conductor Sizing — Part 1 http://ecmweb.com/code-basics/basics-conductor-sizing-part-1 <div class="node-body article-body">Unfortunately, making the proper choices when sizing electrical conductors can get complicated. </div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/basics-conductor-sizing-part-1" target="_blank">read more</a></p> http://ecmweb.com/code-basics/basics-conductor-sizing-part-1#comments Code Basics Silver Mon, 20 Apr 2015 21:11:00 +0000 114381 at http://ecmweb.com NEC: Identification Requirements for Branch Circuits, Part 5 http://ecmweb.com/nec/nec-identification-requirements-branch-circuits-part-5 <div class="node-body article-body">How do you identify ungrounded conductors in branch circuits supplied by DC systems? The 2014 NEC added nearly half a page of text to address this question [210.5(2)]. </div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/nec/nec-identification-requirements-branch-circuits-part-5" target="_blank">read more</a></p> http://ecmweb.com/nec/nec-identification-requirements-branch-circuits-part-5#comments mro-insider NEC Mon, 20 Apr 2015 19:36:00 +0000 114801 at http://ecmweb.com Stumped by the Code? NEC Requirements for Sizing Conductors for an Electric Water Heater http://ecmweb.com/qa/stumped-code-nec-requirements-sizing-conductors-electric-water-heater <div class="node-body article-body">Q. How do we size the conductors and maximum overcurrent protection for an electric water heater? Please give an example.</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/qa/stumped-code-nec-requirements-sizing-conductors-electric-water-heater" target="_blank">read more</a></p> http://ecmweb.com/qa/stumped-code-nec-requirements-sizing-conductors-electric-water-heater#comments Q&A Silver Mon, 20 Apr 2015 16:31:00 +0000 114391 at http://ecmweb.com