Code Basics http://ecmweb.com/taxonomy/term/6615/more en Branch Circuits and the NEC http://ecmweb.com/code-basics/branch-circuits-and-nec <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">A branch circuit consists of the conductors between the final overcurrent protection device (OCPD) and the point of use outlets [Art. 100].</div> <div class="field-content-focus"> <span>Content Classification:&nbsp;</span> Influencer </div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/branch-circuits-and-nec" target="_blank">read more</a></p> http://ecmweb.com/code-basics/branch-circuits-and-nec#comments Code Basics Silver Fri, 18 Apr 2014 15:49:00 +0000 44781 at http://ecmweb.com Basic Requirements for Electrical Installations http://ecmweb.com/code-basics/basic-requirements-electrical-installations <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Article 110 contains some of the most important but neglected parts of the Code. It also answers these basic questions:</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/basic-requirements-electrical-installations" target="_blank">read more</a></p> http://ecmweb.com/code-basics/basic-requirements-electrical-installations#comments Code Basics Silver Thu, 20 Mar 2014 03:04:00 +0000 43221 at http://ecmweb.com Small Wind Electric Systems http://ecmweb.com/code-basics/small-wind-electric-systems <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">When used for specific loads, small wind electric systems (SWESs) are often the sole power source.</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/small-wind-electric-systems" target="_blank">read more</a></p> http://ecmweb.com/code-basics/small-wind-electric-systems#comments Code Basics Green Building Silver Tue, 18 Feb 2014 21:39:00 +0000 41511 at http://ecmweb.com The NEC and CATV/Radio Distribution Systems http://ecmweb.com/code-basics/nec-and-catvradio-distribution-systems <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">While Art. 810 provides the requirements for transmission or reception via an antenna, Art. 820 provides the requirements for the distribution of television and radio signals within a facility or on a property via cable. </div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/nec-and-catvradio-distribution-systems" target="_blank">read more</a></p> http://ecmweb.com/code-basics/nec-and-catvradio-distribution-systems#comments Code Basics Silver Mon, 20 Jan 2014 16:13:00 +0000 40231 at http://ecmweb.com Radio and Television Equipment — Article 810 http://ecmweb.com/code-basics/radio-and-television-equipment-article-810 <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Article 810 contains the installation requirements for the wiring of television and radio receiving equipment.</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/radio-and-television-equipment-article-810" target="_blank">read more</a></p> http://ecmweb.com/code-basics/radio-and-television-equipment-article-810#comments Code Basics Silver Tue, 17 Dec 2013 00:58:00 +0000 38911 at http://ecmweb.com NEC Facts about Fire Alarm Systems http://ecmweb.com/code-basics/nec-facts-about-fire-alarm-systems <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Article 760 covers the installation of wiring and equipment for fire alarm systems, including circuits controlled and powered by the fire alarm system. </div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/nec-facts-about-fire-alarm-systems" target="_blank">read more</a></p> http://ecmweb.com/code-basics/nec-facts-about-fire-alarm-systems#comments Code Basics Low Voltage/Communications Silver Fri, 15 Nov 2013 20:54:00 +0000 37631 at http://ecmweb.com Interconnected Electric Power Sources http://ecmweb.com/code-basics/interconnected-electric-power-sources <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">When a facility has more than one power source, what must you do to maintain a safe operation? Article 705 answers that and other questions related to using power sources that operate in parallel with a primary source. </div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/interconnected-electric-power-sources" target="_blank">read more</a></p> http://ecmweb.com/code-basics/interconnected-electric-power-sources#comments Code Basics Wed, 16 Oct 2013 17:36:00 +0000 36061 at http://ecmweb.com EV Charging Systems http://ecmweb.com/code-basics/ev-charging-systems <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Applying NEC rules for installing equipment and devices related to electric vehicle charging stations</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/ev-charging-systems" target="_blank">read more</a></p> http://ecmweb.com/code-basics/ev-charging-systems#comments Code Basics Wed, 18 Sep 2013 16:25:00 +0000 34781 at http://ecmweb.com Air-Conditioning and Refrigeration Equipment http://ecmweb.com/code-basics/air-conditioning-and-refrigeration-equipment-0 <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Applying Art. 440 for sizing branch circuit overcurrent protective devices, branch circuit conductors, and motor overload protection for hermetic motors</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/air-conditioning-and-refrigeration-equipment-0" target="_blank">read more</a></p> http://ecmweb.com/code-basics/air-conditioning-and-refrigeration-equipment-0#comments Code Basics Thu, 15 Aug 2013 19:20:00 +0000 33611 at http://ecmweb.com The NEC and Communications Circuits http://ecmweb.com/code-basics/nec-and-communications-circuits <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Avoid the most common communications cabling system mistakes by following the requirements found in Art. 800.</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/code-basics/nec-and-communications-circuits" target="_blank">read more</a></p> http://ecmweb.com/code-basics/nec-and-communications-circuits#comments Code Basics Low Voltage/Communications Mon, 15 Jul 2013 21:32:00 +0000 32621 at http://ecmweb.com