Basics http://ecmweb.com/taxonomy/term/6597/more en Ohm’s Law vs Failures and Shocks http://ecmweb.com/electrical-testing/ohm-s-law-vs-failures-and-shocks <div class="node-body article-body">Brushing up on basic electrical theory may help reveal the cause of equipment failures.</div> <p><a href="http://ecmweb.com/electrical-testing/ohm-s-law-vs-failures-and-shocks" target="_blank">read more</a></p> http://ecmweb.com/electrical-testing/ohm-s-law-vs-failures-and-shocks#comments Bonding & Grounding Electrical Testing Power Quality Wed, 22 Feb 2017 04:54:00 +0000 145611 at http://ecmweb.com Bonding, Part 1 http://ecmweb.com/ops-maintenance/bonding-part-1 <div class="node-body article-body">Part V of NEC Art. 250 provides the requirements for bonding. </div> <p><a href="http://ecmweb.com/ops-maintenance/bonding-part-1" target="_blank">read more</a></p> http://ecmweb.com/ops-maintenance/bonding-part-1#comments Bonding & Grounding Design NEC Ops & Maintenance Silver Tue, 21 Feb 2017 15:00:00 +0000 145661 at http://ecmweb.com fasterhorses/iStock/Thinkstock Video Shows 'Egregious' Violations in Million-Dollar Home http://ecmweb.com/violations/video-shows-egregious-violations-million-dollar-home <div class="node-body article-body">An electrical contractor shares a video with countless code violations in a million-dollar home.</div> <p><a href="http://ecmweb.com/violations/video-shows-egregious-violations-million-dollar-home" target="_blank">read more</a></p> http://ecmweb.com/violations/video-shows-egregious-violations-million-dollar-home#comments Bonding & Grounding Violations Tue, 07 Feb 2017 15:35:00 +0000 145081 at http://ecmweb.com Youtube 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 Avoiding “Silly Stupid” Mistakes with Tables http://ecmweb.com/electrical-testing/avoiding-silly-stupid-mistakes-tables <div class="node-body article-body">Take precautions, such as using a straight edge, to make sure you are correctly reading the tables in the NEC.</div> <p><a href="http://ecmweb.com/electrical-testing/avoiding-silly-stupid-mistakes-tables" target="_blank">read more</a></p> http://ecmweb.com/electrical-testing/avoiding-silly-stupid-mistakes-tables#comments Basics Electrical Testing Thu, 22 Dec 2016 16:04:00 +0000 143711 at http://ecmweb.com Six-Step Plan for Bending Raceway http://ecmweb.com/electrical-testing/six-step-plan-bending-raceway <div class="node-body article-body">Don’t get bent out of shape when dealing with metallic raceway</div> <p><a href="http://ecmweb.com/electrical-testing/six-step-plan-bending-raceway" target="_blank">read more</a></p> http://ecmweb.com/electrical-testing/six-step-plan-bending-raceway#comments Installation Tips Electrical Testing Mon, 21 Nov 2016 19:10:00 +0000 142741 at http://ecmweb.com The Case of the Unwanted Ground Current http://ecmweb.com/power-quality/case-unwanted-ground-current <div class="node-body article-body">Hearing the expression “ground current” often causes stress and frustration for many electrical contractors and engineers</div> <p><a href="http://ecmweb.com/power-quality/case-unwanted-ground-current" target="_blank">read more</a></p> http://ecmweb.com/power-quality/case-unwanted-ground-current#comments Bonding & Grounding Design Power Quality Silver Fri, 21 Oct 2016 19:33:00 +0000 141661 at http://ecmweb.com How to Drill a Hole Quickly and Correctly http://ecmweb.com/electrical-testing/how-drill-hole-quickly-and-correctly <div class="node-body article-body">Have the right equipment, choose the best spot for the hole, and measure carefully before drilling. </div> <p><a href="http://ecmweb.com/electrical-testing/how-drill-hole-quickly-and-correctly" target="_blank">read more</a></p> http://ecmweb.com/electrical-testing/how-drill-hole-quickly-and-correctly#comments Installation Tips Electrical Testing Contractor Thu, 20 Oct 2016 14:45:00 +0000 141541 at http://ecmweb.com How to Never Round a Nut or Bolt Head http://ecmweb.com/electrical-testing/how-never-round-nut-or-bolt-head <div class="node-body article-body">Choose the appropriate high-quality wrench and align it correctly.</div> <p><a href="http://ecmweb.com/electrical-testing/how-never-round-nut-or-bolt-head" target="_blank">read more</a></p> http://ecmweb.com/electrical-testing/how-never-round-nut-or-bolt-head#comments Installation Tips Electrical Testing Fri, 23 Sep 2016 13:46:00 +0000 140391 at http://ecmweb.com Solving Critical Generator Problems with Neutral Grounding Resistors http://ecmweb.com/design/solving-critical-generator-problems-neutral-grounding-resistors <div class="node-body article-body">A requirement for every hospital, emergency power generators must be operational in 10 seconds or less when electric utility power is lost. </div> <p><a href="http://ecmweb.com/design/solving-critical-generator-problems-neutral-grounding-resistors" target="_blank">read more</a></p> http://ecmweb.com/design/solving-critical-generator-problems-neutral-grounding-resistors#comments Bonding & Grounding Design Power Quality Silver Wed, 21 Sep 2016 19:33:00 +0000 140231 at http://ecmweb.com