Basics http://ecmweb.com/taxonomy/term/6597/more en Understanding the Theory of Inductance http://ecmweb.com/basics/understanding-theory-inductance <div class="field-byline"> By Marty Riesberg, NJATC </div> <div class="node-body article-body">Have you ever had difficulty explaining the theory of inductance and its impact on an electrical circuit to a coworker or apprentice?</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/basics/understanding-theory-inductance" target="_blank">read more</a></p> http://ecmweb.com/basics/understanding-theory-inductance#comments Basics Contractor Silver Wed, 19 Mar 2014 19:29:00 +0000 43091 at http://ecmweb.com What’s Wrong Here? Hint: A Round Peg in a Square Hole http://ecmweb.com/what039s-wrong-here/what-s-wrong-here-hint-round-peg-square-hole <div class="field-byline"> By Russ LeBlanc, NEC Consultant </div> <div class="node-body article-body">NEC guidelines on which mounting screws to use to ensure a proper grounding/bonding connection between the box and the cover</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/what039s-wrong-here/what-s-wrong-here-hint-round-peg-square-hole" target="_blank">read more</a></p> http://ecmweb.com/what039s-wrong-here/what-s-wrong-here-hint-round-peg-square-hole#comments Bonding & Grounding What's Wrong Here? Thu, 17 Oct 2013 13:09:00 +0000 36171 at http://ecmweb.com The Ins and Outs of Intrinsically Safe Systems http://ecmweb.com/nec/ins-and-outs-intrinsically-safe-systems <div class="field-byline"> By Mark Lamendola, Electrical Consultant </div> <div class="node-body article-body">Rather than being an alternative to the other hazardous location Articles in the NEC, Art. 504 complements them</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/nec/ins-and-outs-intrinsically-safe-systems" target="_blank">read more</a></p> http://ecmweb.com/nec/ins-and-outs-intrinsically-safe-systems#comments Bonding & Grounding NEC Wed, 18 Sep 2013 16:15:00 +0000 34771 at http://ecmweb.com Failures in Outlet Testing Exposed http://ecmweb.com/contractor/failures-outlet-testing-exposed <div class="field-byline"> By Mike Sokol, No~Shock~Zone Seminars </div> <div class="node-body article-body">Why standard outlet testing methods fail to reveal reverse polarity bootleg ground miswiring situations</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/contractor/failures-outlet-testing-exposed" target="_blank">read more</a></p> http://ecmweb.com/contractor/failures-outlet-testing-exposed#comments Bonding & Grounding Test & Measurement Shock & Electrocution Contractor Mon, 15 Jul 2013 20:43:00 +0000 32601 at http://ecmweb.com Whose Job Is It to Bond Corrugated Stainless Steel Tubing (CSST)? http://ecmweb.com/bonding-amp-grounding/whose-job-it-bond-corrugated-stainless-steel-tubing-csst <div class="field-byline"> By Beck Ireland, Staff Writer </div> <div class="node-body article-body">Safety campaign encourages electrical contractors to take over bonding for CSST gas piping systems</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/bonding-amp-grounding/whose-job-it-bond-corrugated-stainless-steel-tubing-csst" target="_blank">read more</a></p> http://ecmweb.com/bonding-amp-grounding/whose-job-it-bond-corrugated-stainless-steel-tubing-csst#comments Bonding & Grounding Fire & Security Contractor Power Quality Mon, 22 Oct 2012 14:57:00 +0000 21931 at http://ecmweb.com The Basics of Circuit Breaker Maintenance http://ecmweb.com/ops-amp-maintenance/basics-circuit-breaker-maintenance <div class="field-byline"> By James R. White, Shermco Industries, Inc. </div> <div class="node-body article-body">Circuit breakers are used in nearly all electrical systems — from residential dwellings to electric utility facilities. We rely on them to protect our systems from damaging overcurrents and short circuits. Understanding circuit breaker construction and operation is key to realizing their limitations and proper usage.</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/ops-amp-maintenance/basics-circuit-breaker-maintenance" target="_blank">read more</a></p> http://ecmweb.com/ops-amp-maintenance/basics-circuit-breaker-maintenance#comments Basics Ops & Maintenance Sun, 01 Jul 2012 15:23:00 +0000 17751 at http://ecmweb.com Keeping Up With Electrical Code Changes http://ecmweb.com/electrical-calculations/keeping-electrical-code-changes <div class="field-byline"> Mike Eby, Editor-in-Chief </div> <div class="field-deck"> Why staying on top of the latest change proposals to the next edition of the National Electrical Code is important </div> <div class="node-body article-body">Why staying on top of the latest change proposals to the next edition of the National Electrical Code is important</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/electrical-calculations/keeping-electrical-code-changes" target="_blank">read more</a></p> http://ecmweb.com/electrical-calculations/keeping-electrical-code-changes#comments Electrical Calculations content Wed, 22 Feb 2012 22:40:00 +0000 11209 at http://ecmweb.com Guidelines for Grounding and Bonding Telecom Systems http://ecmweb.com/bonding-amp-grounding/guidelines-grounding-and-bonding-telecom-systems <div class="field-byline"> Matt Peterworth, RCDD, P.E., The University of Texas at Austin </div> <div class="node-body article-body">Updates and changes to codes and standards that affect the way you design and install telecommunications systems</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/bonding-amp-grounding/guidelines-grounding-and-bonding-telecom-systems" target="_blank">read more</a></p> http://ecmweb.com/bonding-amp-grounding/guidelines-grounding-and-bonding-telecom-systems#comments archive Bonding & Grounding Contractor Wed, 01 Feb 2012 17:00:00 +0000 10681 at http://ecmweb.com Understanding the Estimating Process — Part 12 http://ecmweb.com/basics/understanding-estimating-process-part-12 <div class="field-byline"> Linda Candels, Candels Consulting </div> <div class="field-deck"> Final steps in wrapping up your bid </div> <div class="node-body article-body">Final steps in wrapping up your bid</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/basics/understanding-estimating-process-part-12" target="_blank">read more</a></p> http://ecmweb.com/basics/understanding-estimating-process-part-12#comments Basics Estimating content Contractor Wed, 21 Dec 2011 18:27:00 +0000 8203 at http://ecmweb.com Forensic Casebook: The Case of the Missing Ground Wire http://ecmweb.com/shock-amp-electrocution/forensic-casebook-case-missing-ground-wire <div class="field-byline"> Thomas McCauley, P.E., Consolidated Consulting Corp. </div> <div class="node-body article-body">Grounding problems on utility pole lead to death of a cable television technician.</div> <div class="og_rss_groups"></div><p><a href="http://ecmweb.com/shock-amp-electrocution/forensic-casebook-case-missing-ground-wire" target="_blank">read more</a></p> http://ecmweb.com/shock-amp-electrocution/forensic-casebook-case-missing-ground-wire#comments Bonding & Grounding Shock & Electrocution Design Tue, 22 Nov 2011 21:06:00 +0000 11175 at http://ecmweb.com