Electrical Construction & Maintenance (EC&M) Magazine - The Online Resource for Electrical Design, Construction and Maintenance http://ecmweb.com/rss.xml en Tip of the Week: Motor Baseline Data http://ecmweb.com/electrical-testing/tip-week-motor-baseline-data <div class="node-body article-body">Data from tests on new motors can be used to help detect when changes occur and spot impending problems.</div> <p><a href="http://ecmweb.com/electrical-testing/tip-week-motor-baseline-data" target="_blank">read more</a></p> http://ecmweb.com/electrical-testing/tip-week-motor-baseline-data#comments Electrical Testing Mon, 24 Apr 2017 22:03:00 +0000 147621 at http://ecmweb.com <p><em>Photo credit: stalkerstudent/iStock/Thinkstock</em></p> Renovation Spending Continues to Grow, But More Slowly http://ecmweb.com/business-management/renovation-spending-continues-grow-more-slowly <div class="node-body article-body">Strong gains in home remodeling and repair activity are expected to ease moving into next year.</div> <p><a href="http://ecmweb.com/business-management/renovation-spending-continues-grow-more-slowly" target="_blank">read more</a></p> http://ecmweb.com/business-management/renovation-spending-continues-grow-more-slowly#comments Business Management Mon, 24 Apr 2017 20:47:00 +0000 147641 at http://ecmweb.com Creatas/Thinkstock Code Quiz of the Week: No. 72 http://ecmweb.com/quizzes/code-quiz-week-no-72 <div class="node-body gallery-body">Take this weekly quiz to test your knowledge of the 2014 National Electrical Code (NEC) requirements.</div> <p><a href="http://ecmweb.com/quizzes/code-quiz-week-no-72" target="_blank">read more</a></p> http://ecmweb.com/quizzes/code-quiz-week-no-72#comments Quizzes Mon, 24 Apr 2017 13:27:00 +0000 147611 at http://ecmweb.com <p><em>Photo credit: DarcyMaulsby/iStock/Thinkstock</em></p> Power Outage Hits San Francisco http://ecmweb.com/power-quality/power-outage-hits-san-francisco <div class="node-body article-body">San Francisco suffered a blackout this morning in neighborhoods across the city.</div> <p><a href="http://ecmweb.com/power-quality/power-outage-hits-san-francisco" target="_blank">read more</a></p> http://ecmweb.com/power-quality/power-outage-hits-san-francisco#comments Power Quality Fri, 21 Apr 2017 20:34:00 +0000 147601 at http://ecmweb.com Copyright Justin Sullivan/Getty Images 10 Little-Known Facts about André-Marie Ampère http://ecmweb.com/electrical-testing/10-little-known-facts-about-andr-marie-amp-re <div class="node-body gallery-body">Almost everyone who works in the electrical industry knows the unit for measuring electric current is named in honor of André-Marie Ampère</div> <p><a href="http://ecmweb.com/electrical-testing/10-little-known-facts-about-andr-marie-amp-re" target="_blank">read more</a></p> http://ecmweb.com/electrical-testing/10-little-known-facts-about-andr-marie-amp-re#comments Electrical Testing Galleries Fri, 21 Apr 2017 20:01:00 +0000 147591 at http://ecmweb.com Global Residential Connected Lighting Revenue Expected to Exceed $1.9 Billion in 2026 http://ecmweb.com/lighting-control/global-residential-connected-lighting-revenue-expected-exceed-19-billion-2026 <div class="node-body article-body">A new report from Navigant Research examines the global market for residential connected lighting.</div> <p><a href="http://ecmweb.com/lighting-control/global-residential-connected-lighting-revenue-expected-exceed-19-billion-2026" target="_blank">read more</a></p> http://ecmweb.com/lighting-control/global-residential-connected-lighting-revenue-expected-exceed-19-billion-2026#comments Lighting & Control Fri, 21 Apr 2017 16:23:00 +0000 147581 at http://ecmweb.com scyther5/iStock/Thinkstock Expand Your Knowledge in the Field of Lighting http://ecmweb.com/lightfair-show-coverage/expand-your-knowledge-field-lighting <div class="node-body article-body">Lightfair International speaker presentations offer a first-class learning opportunity for electrical design professionals and electrical contractors.</div> <p><a href="http://ecmweb.com/lightfair-show-coverage/expand-your-knowledge-field-lighting" target="_blank">read more</a></p> http://ecmweb.com/lightfair-show-coverage/expand-your-knowledge-field-lighting#comments Lightfair Show Coverage Lighting & Control Training Fri, 21 Apr 2017 13:21:00 +0000 147541 at http://ecmweb.com Thinkstock: Kasto80/iStock/Thinkstock The Current State of the TLED Market http://ecmweb.com/lighting-control/current-state-tled-market <div class="node-body article-body">Just a few years ago, TLEDs — the LED equivalents to linear fluorescent lamps — were somewhat of an iffy proposition in the lighting world.</div> <p><a href="http://ecmweb.com/lighting-control/current-state-tled-market" target="_blank">read more</a></p> http://ecmweb.com/lighting-control/current-state-tled-market#comments Lighting & Control Silver Thu, 20 Apr 2017 21:30:00 +0000 147351 at http://ecmweb.com Disasters Waiting to Happen http://ecmweb.com/safety/disasters-waiting-happen <div class="node-body article-body">At 1:00 p.m. on Dec. 5, 2016, special investigators from the city of Baltimore’s Fire and Housing departments descended on the Bell Foundry with cameras in hand. </div> <p><a href="http://ecmweb.com/safety/disasters-waiting-happen" target="_blank">read more</a></p> http://ecmweb.com/safety/disasters-waiting-happen#comments Safety Silver Thu, 20 Apr 2017 20:21:00 +0000 147331 at http://ecmweb.com Does that motor circuit have power? http://ecmweb.com/electrical-testing/does-motor-circuit-have-power <div class="node-body article-body">Methodically checking possible problem areas will help you troubleshoot motor malfunctions.</div> <p><a href="http://ecmweb.com/electrical-testing/does-motor-circuit-have-power" target="_blank">read more</a></p> http://ecmweb.com/electrical-testing/does-motor-circuit-have-power#comments Motors Electrical Testing Thu, 20 Apr 2017 20:13:00 +0000 147531 at http://ecmweb.com Service Secrets: The Standard That Most Electricians Don’t Know About http://ecmweb.com/business-management/service-secrets-standard-most-electricians-don-t-know-about <div class="node-body article-body">How many times have you heard “If we only had good help,” or “I can’t find any electricians?” </div> <p><a href="http://ecmweb.com/business-management/service-secrets-standard-most-electricians-don-t-know-about" target="_blank">read more</a></p> http://ecmweb.com/business-management/service-secrets-standard-most-electricians-don-t-know-about#comments Business Management Training Silver Thu, 20 Apr 2017 19:00:00 +0000 147481 at http://ecmweb.com What's Wrong Here? Hint: Conduit Calamity http://ecmweb.com/whats-wrong-here/whats-wrong-here-hint-conduit-calamity <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> <p><a href="http://ecmweb.com/whats-wrong-here/whats-wrong-here-hint-conduit-calamity" target="_blank">read more</a></p> http://ecmweb.com/whats-wrong-here/whats-wrong-here-hint-conduit-calamity#comments What's Wrong Here? Silver Thu, 20 Apr 2017 19:00:00 +0000 147471 at http://ecmweb.com Illustrated Catastrophes: Alaskan Airport Ailments http://ecmweb.com/violations/illustrated-catastrophes-alaskan-airport-ailments <div class="node-body article-body">Check out the latest Code violations</div> <p><a href="http://ecmweb.com/violations/illustrated-catastrophes-alaskan-airport-ailments" target="_blank">read more</a></p> http://ecmweb.com/violations/illustrated-catastrophes-alaskan-airport-ailments#comments Violations Silver Thu, 20 Apr 2017 19:00:00 +0000 147461 at http://ecmweb.com BICSI Field Report: 2017 Winter Conference http://ecmweb.com/low-voltagecommunications/bicsi-field-report-2017-winter-conference <div class="node-body article-body">The BICSI 2017 Winter Conference offered the latest concepts relating to the design and application of communications networks and their support systems. </div> <p><a href="http://ecmweb.com/low-voltagecommunications/bicsi-field-report-2017-winter-conference" target="_blank">read more</a></p> http://ecmweb.com/low-voltagecommunications/bicsi-field-report-2017-winter-conference#comments Low Voltage/Communications Thu, 20 Apr 2017 19:00:00 +0000 147421 at http://ecmweb.com Stumped by the Code? Installing a Grounding Electrode Using Ground Rods http://ecmweb.com/qa/stumped-code-installing-grounding-electrode-using-ground-rods <div class="node-body article-body">What does the Code require in regard to installing a grounding electrode using ground rods? </div> <p><a href="http://ecmweb.com/qa/stumped-code-installing-grounding-electrode-using-ground-rods" target="_blank">read more</a></p> http://ecmweb.com/qa/stumped-code-installing-grounding-electrode-using-ground-rods#comments Q&A Design Silver Thu, 20 Apr 2017 19:00:00 +0000 147401 at http://ecmweb.com Grounding and Bonding, Part 1 http://ecmweb.com/code-basics/grounding-and-bonding-part-1-0 <div class="node-body article-body">Article 215 covers the installation, conductor sizing, and overcurrent protection requirements for feeder conductors. </div> <p><a href="http://ecmweb.com/code-basics/grounding-and-bonding-part-1-0" target="_blank">read more</a></p> http://ecmweb.com/code-basics/grounding-and-bonding-part-1-0#comments Code Basics Design Silver Thu, 20 Apr 2017 19:00:00 +0000 147391 at http://ecmweb.com Establishing an Electrically Safe Work Condition http://ecmweb.com/nec/establishing-electrically-safe-work-condition <div class="node-body article-body">Article 100 in NFPA 70E defines an “electrically safe work condition” as “A state in which an electrical conductor or circuit part has been disconnected from energized parts</div> <p><a href="http://ecmweb.com/nec/establishing-electrically-safe-work-condition" target="_blank">read more</a></p> http://ecmweb.com/nec/establishing-electrically-safe-work-condition#comments NEC Silver Thu, 20 Apr 2017 19:00:00 +0000 147381 at http://ecmweb.com Electrocution Caused Womens' Deaths in Lake http://ecmweb.com/shock-electrocution/electrocution-caused-womens-deaths-lake <div class="node-body article-body">Two women who were found dead in a lake in Alabama were electrocuted, according to preliminary autopsies. </div> <p><a href="http://ecmweb.com/shock-electrocution/electrocution-caused-womens-deaths-lake" target="_blank">read more</a></p> http://ecmweb.com/shock-electrocution/electrocution-caused-womens-deaths-lake#comments Shock & Electrocution Thu, 20 Apr 2017 16:09:00 +0000 147571 at http://ecmweb.com By AJ4TBama (26 May 2013 while hiking the trails) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons Let's Talk Lighting http://ecmweb.com/blog/lets-talk-lighting <div class="node-body blog-body">There’s no denying the fact that recent advancements on the LED front have created upheaval in the design, distribution, installation, and maintenance arenas.</div> <p><a href="http://ecmweb.com/blog/lets-talk-lighting" target="_blank">read more</a></p> http://ecmweb.com/blog/lets-talk-lighting#comments Lighting & Control Contractor Design Silver Industry Viewpoint Thu, 20 Apr 2017 16:00:00 +0000 147291 at http://ecmweb.com Contractors Unite to Improve America’s Infrastructure http://ecmweb.com/contractor/contractors-unite-improve-america-s-infrastructure <div class="node-body article-body">As the nation’s infrastructure has aged and deteriorated, the estimated cost to make improvements has more than tripled, according to the American Society of Civil Engineers (ASCE). </div> <p><a href="http://ecmweb.com/contractor/contractors-unite-improve-america-s-infrastructure" target="_blank">read more</a></p> http://ecmweb.com/contractor/contractors-unite-improve-america-s-infrastructure#comments Contractor Silver Thu, 20 Apr 2017 13:33:00 +0000 147321 at http://ecmweb.com Lighting as a Service Showing Promise http://ecmweb.com/lighting-control/lighting-service-showing-promise <div class="node-body article-body">As lighting technologies advance at near light-speed and luminaire costs fall at a similar pace, the value of prioritizing lighting retrofit and upgrade projects would seem more obvious than ever. Next-generation, feature-rich LED lighting has clearly become cheaper to acquire and install, thanks to growing competition and improving technology. </div> <p><a href="http://ecmweb.com/lighting-control/lighting-service-showing-promise" target="_blank">read more</a></p> http://ecmweb.com/lighting-control/lighting-service-showing-promise#comments Energy Efficiency Lighting & Control Silver Thu, 20 Apr 2017 13:23:00 +0000 147311 at http://ecmweb.com The Case of the Mysterious Construction Site Electrocution http://ecmweb.com/accidents-investigations/case-mysterious-construction-site-electrocution <div class="node-body article-body">Every forensic investigation is different — different facts, new victims, etc. But the premise upon which most electrical injuries and deaths occur are typically based on the same principles.</div> <p><a href="http://ecmweb.com/accidents-investigations/case-mysterious-construction-site-electrocution" target="_blank">read more</a></p> http://ecmweb.com/accidents-investigations/case-mysterious-construction-site-electrocution#comments Accidents & Investigations Contractor Silver Thu, 20 Apr 2017 13:19:00 +0000 147301 at http://ecmweb.com Moving Violations Video No. 141: Failure to Communicate http://ecmweb.com/moving-violation-videos/moving-violations-video-no-141-failure-communicate <div class="node-body video-body">Find the Code violations in this video.</div> <p><a href="http://ecmweb.com/moving-violation-videos/moving-violations-video-no-141-failure-communicate" target="_blank">read more</a></p> http://ecmweb.com/moving-violation-videos/moving-violations-video-no-141-failure-communicate#comments Moving Violation Videos Thu, 20 Apr 2017 13:00:00 +0000 147501 at http://ecmweb.com Code Quiz: Arc Energy Reduction http://ecmweb.com/quizzes/code-quiz-arc-energy-reduction <div class="node-body article-body">A new NEC requirement on arc energy reduction for fuses applies to fuses rated ____ amperes or higher. </div> <p><a href="http://ecmweb.com/quizzes/code-quiz-arc-energy-reduction" target="_blank">read more</a></p> http://ecmweb.com/quizzes/code-quiz-arc-energy-reduction#comments Quizzes Silver Thu, 20 Apr 2017 13:00:00 +0000 147451 at http://ecmweb.com Code Q&A: GFCI Requirements http://ecmweb.com/qa/code-qa-gfci-requirements <div class="node-body article-body">Does the NEC require GFCI protection when replacing a non-GFCI receptacle in an existing building?</div> <p><a href="http://ecmweb.com/qa/code-qa-gfci-requirements" target="_blank">read more</a></p> http://ecmweb.com/qa/code-qa-gfci-requirements#comments Q&A Silver Thu, 20 Apr 2017 13:00:00 +0000 147441 at http://ecmweb.com What’s Wrong Here? Hint: Shelf Placement http://ecmweb.com/whats-wrong-here/what-s-wrong-here-hint-shelf-placement <div class="node-body article-body">Think you know how this installation violates the NEC? </div> <p><a href="http://ecmweb.com/whats-wrong-here/what-s-wrong-here-hint-shelf-placement" target="_blank">read more</a></p> http://ecmweb.com/whats-wrong-here/what-s-wrong-here-hint-shelf-placement#comments What's Wrong Here? Silver Thu, 20 Apr 2017 13:00:00 +0000 147431 at http://ecmweb.com BART Still Having Electrical Problems http://ecmweb.com/accidents-investigations/bart-still-having-electrical-problems <div class="node-body article-body">A formerly unsolved power problem that led to months of commute delays last year appears to be back</div> <p><a href="http://ecmweb.com/accidents-investigations/bart-still-having-electrical-problems" target="_blank">read more</a></p> http://ecmweb.com/accidents-investigations/bart-still-having-electrical-problems#comments Accidents & Investigations Wed, 19 Apr 2017 15:20:00 +0000 147561 at http://ecmweb.com oushie/iStock/Thinkstock A Look Ahead to Lightfair International http://ecmweb.com/lightfair-show-coverage/look-ahead-lightfair-international <div class="node-body article-body">With today’s emphasis on efficiency and longevity, light emitting diode (LED) lighting has become the first choice for many new construction and renovation projects, and the source is now creating opportunities for what light can do beyond illumination. </div> <p><a href="http://ecmweb.com/lightfair-show-coverage/look-ahead-lightfair-international" target="_blank">read more</a></p> http://ecmweb.com/lightfair-show-coverage/look-ahead-lightfair-international#comments Lightfair Show Coverage Lighting & Control Contractor Silver Tue, 18 Apr 2017 20:32:00 +0000 147341 at http://ecmweb.com Metal Halide Lamps Recalled Due to Fire, Laceration Hazards http://ecmweb.com/fire-security/metal-halide-lamps-recalled-due-fire-laceration-hazards <div class="node-body article-body">Philips Lighting has recalled certain models of its metal halide lamps due to the risk of fire and laceration hazards.</div> <p><a href="http://ecmweb.com/fire-security/metal-halide-lamps-recalled-due-fire-laceration-hazards" target="_blank">read more</a></p> http://ecmweb.com/fire-security/metal-halide-lamps-recalled-due-fire-laceration-hazards#comments Fire & Security Tue, 18 Apr 2017 14:58:00 +0000 147551 at http://ecmweb.com Equipment Grounding, Part 2 http://ecmweb.com/ops-maintenance/equipment-grounding-part-2 <div class="node-body article-body">In Part 1, we clarified what the National Electrical Code (NEC) is talking about in regard to "grounding" equipment. </div> <p><a href="http://ecmweb.com/ops-maintenance/equipment-grounding-part-2" target="_blank">read more</a></p> http://ecmweb.com/ops-maintenance/equipment-grounding-part-2#comments Bonding & Grounding Design NEC Ops & Maintenance Silver Tue, 18 Apr 2017 12:00:00 +0000 147271 at http://ecmweb.com