Q&A http://ecmweb.com/taxonomy/term/6616/more en Code Q&A: Grounding Requirements for Multiple Services http://ecmweb.com/qa/code-qa-grounding-requirements-multiple-services <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Q. When a building has more than one service (as allowed by Sec. 230.2), is there a requirement to ground these multiple services to a common grounding electrode?</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/qa/code-qa-grounding-requirements-multiple-services" target="_blank">read more</a></p> http://ecmweb.com/qa/code-qa-grounding-requirements-multiple-services#comments Q&A Silver Fri, 25 Jul 2014 01:49:00 +0000 50011 at http://ecmweb.com Stumped by the Code? Disconnects for Motors http://ecmweb.com/qa/stumped-code-disconnects-motors <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Q. What is the NEC requirement for disconnects for a motor?</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/qa/stumped-code-disconnects-motors" target="_blank">read more</a></p> http://ecmweb.com/qa/stumped-code-disconnects-motors#comments Q&A Silver Wed, 16 Jul 2014 16:31:00 +0000 49031 at http://ecmweb.com Code Q&A: Air-Conditioner Calculations http://ecmweb.com/qa/code-qa-air-conditioner-calculations <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Q. How do I size the conductor and overcurrent protection for an air-conditioner? (Answer based on 2011 NEC.)</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/qa/code-qa-air-conditioner-calculations" target="_blank">read more</a></p> http://ecmweb.com/qa/code-qa-air-conditioner-calculations#comments Q&A Silver Fri, 11 Jul 2014 01:49:00 +0000 48721 at http://ecmweb.com Code Q&A: GFCIs in Unfinished Basements http://ecmweb.com/qa/code-qa-gfcis-unfinished-basements <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Q. Is GFCI protection required for a sump pump installed in an unfinished basement of a dwelling unit?</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/qa/code-qa-gfcis-unfinished-basements" target="_blank">read more</a></p> http://ecmweb.com/qa/code-qa-gfcis-unfinished-basements#comments Q&A Silver Thu, 26 Jun 2014 15:14:00 +0000 47991 at http://ecmweb.com Stumped by the Code? Motor Control Circuit Overcurrent Protection http://ecmweb.com/qa/stumped-code-motor-control-circuit-overcurrent-protection <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Q. What is the Code rule for motor control circuit overcurrent protection?</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/qa/stumped-code-motor-control-circuit-overcurrent-protection" target="_blank">read more</a></p> http://ecmweb.com/qa/stumped-code-motor-control-circuit-overcurrent-protection#comments Q&A Silver Wed, 18 Jun 2014 20:19:00 +0000 47911 at http://ecmweb.com Code Q&A: Sizing an Optional Standby Generator http://ecmweb.com/qa/code-qa-sizing-optional-standby-generator <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Q. How do I size an optional standby generator when a manual or automatic transfer switch is installed? (Answer based on 2011 NEC.)</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/qa/code-qa-sizing-optional-standby-generator" target="_blank">read more</a></p> http://ecmweb.com/qa/code-qa-sizing-optional-standby-generator#comments Q&A Silver Thu, 12 Jun 2014 15:14:00 +0000 47531 at http://ecmweb.com Code Q&A: Motor Protection http://ecmweb.com/qa/code-qa-motor-protection <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Q. Does the Code allow a single overcurrent device to provide both overload and short circuit and ground fault protection for a motor? Can you also show me an example of how to size it?</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/qa/code-qa-motor-protection" target="_blank">read more</a></p> http://ecmweb.com/qa/code-qa-motor-protection#comments Q&A Silver Thu, 22 May 2014 15:54:00 +0000 46641 at http://ecmweb.com Stumped by the Code? Terminating Equipment Grounding Conductors http://ecmweb.com/qa/stumped-code-terminating-equipment-grounding-conductors <div class="node-body article-body">Q. What are the requirements when terminating equipment grounding conductors, grounding electrode conductors, and bonding jumpers?</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/qa/stumped-code-terminating-equipment-grounding-conductors" target="_blank">read more</a></p> http://ecmweb.com/qa/stumped-code-terminating-equipment-grounding-conductors#comments Q&A Silver Tue, 20 May 2014 16:31:00 +0000 46361 at http://ecmweb.com Code Q&A: Securing and Supporting PVC Raceway http://ecmweb.com/qa/code-qa-securing-and-supporting-pvc-raceway <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Q. What is the Code rule for the securing and supporting of PVC raceways? Answer based on 2011 NEC. </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/qa/code-qa-securing-and-supporting-pvc-raceway" target="_blank">read more</a></p> http://ecmweb.com/qa/code-qa-securing-and-supporting-pvc-raceway#comments Q&A Silver Thu, 08 May 2014 16:14:00 +0000 45841 at http://ecmweb.com Code Q&A: Wiring Methods Allowed in Hazardous Locations http://ecmweb.com/qa/code-qa-wiring-methods-allowed-hazardous-locations <div class="field-byline"> By Mike Holt, NEC Consultant </div> <div class="node-body article-body">Q. What wiring methods does the NEC permit in a Class I, Div. 1 location? </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/qa/code-qa-wiring-methods-allowed-hazardous-locations" target="_blank">read more</a></p> http://ecmweb.com/qa/code-qa-wiring-methods-allowed-hazardous-locations#comments Q&A Silver Thu, 24 Apr 2014 18:27:00 +0000 45231 at http://ecmweb.com