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More in Design

  • Oct. 1, 2002
    article
    Electrical Construction and Maintenance

    Motor Control FAQs

    Here are some answers to frequently asked questions about motor control....More
  • Oct. 1, 2002
    article
    Electrical Construction and Maintenance

    Fiber Optic Lighting Dries Out

    No longer a novelty lighting scheme for pools and fountains, modern fiber-based can serve a variety of applications....More
  • Oct. 1, 2002
    article
    Electrical Construction and Maintenance

    The Key to Making Proper Neutral-to-Case Connections

    Improper neutral-to-case connections can cause fire hazards, electrocution, improper operation of protection devices, and power quality problems. Therefore, it’s important to make them only at service equipment and on separately derived systems in accordance with 250.142 of the 2002 NEC....More
  • Oct. 1, 2002
    article
    Electrical Construction and Maintenance

    Are You Sure You Want to Put Your VFDs in Your MCCs?

    Deciding where to put your drives requires more than just casual consideration....More
  • Aug. 2, 2002
    article
    Electrical Construction and Maintenance

    The Watt Stopper releases electrical design guide for schools

    The Watt Stopper, Santa Clara, Calif., recently published “The Lighting Control Best Practices Guide for Schools,” a 60-page guide that includes application-specific...More
  • Aug. 1, 2002
    article
    Electrical Construction and Maintenance

    Get to the Heart of Objectionable Current

    What's the harm in objectionable current, and how do you eliminate it?...More
  • Aug. 1, 2002
    article
    Electrical Construction and Maintenance

    Leaving a Mark

    Revisions to the UL standard governing ground-fault circuit interrupters have raised the bar for safety but brought into question who has the power to bring about change....More
  • Jul. 12, 2002
    article
    Electrical Construction and Maintenance

    Philips launches Web site to promote induction lighting system

    Royal Philips Electronics, Somerset, N.J., recently unveiled a Web site (www.ql-lighting.com) highlighting the uses and benefits of its QL System induction...More
  • Jul. 5, 2002
    article
    Electrical Construction and Maintenance

    IEEE adds a standard, updates another

    IEEE has given the go-ahead for work on a new standard, IEEE P1614, Guide for Monitoring, Information Exchange and Control of Distributed Resources Interconnected...More
  • Jul. 1, 2002
    article
    Electrical Construction and Maintenance

    Protecting UPSs Against Damaging Fault Currents

    Compliance with NEC 110.10 is critical for safety....More
  • Jun. 26, 2002
    article
    Electrical Construction and Maintenance

    Lightfair 2002 Postshow Report

    Although blackouts have been a recent problem in the Golden State, San Francisco’s Moscone Center was a bright light in the region a few weeks ago, thanks...More
  • Jun. 17, 2002
    article
    Electrical Construction and Maintenance

    NECA releases guide to codes, enforcement, and licensing

    NECA recently made available its Guide to State Electrical Codes, Enforcement and Licensing (2002), a reference for contractors, manufacturers, and others...More
  • Jun. 5, 2002
    article
    Electrical Construction and Maintenance

    NECA publishes new panelboard standard

    The National Electrical Contractors Association (NECA), Bethesda, Md., recently added another publication to its growing series of National Electrical...More
  • Jun. 1, 2002
    article
    Electrical Construction and Maintenance

    The Rarity of Common Sense

    Graduating with rosy visions of success and satisfaction, young electrical power engineers — what few there are — will enter an industry that is short on pizzazz and long on mundane and mature technologies......More
  • Jun. 1, 2002
    article
    Electrical Construction and Maintenance

    Lightfair 2002 Postshow Report

    Although blackouts have been a recent problem in the Golden State, San Francisco’s Moscone Center was a bright light in the region a few weeks ago, thanks...More
  • Jun. 1, 2002
    article
    Electrical Construction and Maintenance

    What to know about PLC ladder diagram programming.

    When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming.Their...More
  • Jun. 1, 2002
    article
    Electrical Construction and Maintenance

    No More Pencils, No More Books

    Web-based graduate degrees are replacing the traditional tools of knowledge with an Internet connection and a mouse, making it possible for engineers to avoid the classroom altogether....More
  • May 1, 2002
    article
    Electrical Construction and Maintenance

    Engineering Applications on the Web

    You can save your company time and money with easy-to-use online tools like engineering calculators....More
  • May 1, 2002
    article
    Electrical Construction and Maintenance

    Lamp Disposal Rules Can Reduce Poisoning Risks

    What are you doing to prevent environmental problems associated with spent lamps?...More
  • May 1, 2002
    article
    Electrical Construction and Maintenance

    Line Reactors and VFDs 1

    Line reactors can protect motors and reduce power line distortion from VFDs....More
  • May 1, 2002
    article
    Electrical Construction and Maintenance

    Who's in Control Anyway?

    An interesting debate has surfaced in the world of AC drives, pitting the mechanical engineer against the electrical engineer ......More
  • May 1, 2002
    article
    Electrical Construction and Maintenance

    Stored-Energy Connectors Bounce Back

    With stored energy wire connectors, the wire is held intact regardless of vibration and thermal cycling....More
  • May 1, 2002
    article
    Electrical Construction and Maintenance

    Multiwire Branch Circuits Can Be Dangerous

    The savings from multiwire branch circuits can come at a high cost....More
  • Apr. 1, 2002
    article
    Electrical Construction and Maintenance

    Stepping Up to the Plate for Interconnection

    I recently attended my first Electrical Generating Systems Association (EGSA) convention at the historic La Mansion del Rio Hotel ......More
  • Apr. 1, 2002
    article
    Electrical Construction and Maintenance

    Light Years Ahead

    As lighting designers turn to nontraditional light sources, LEDs and fiber optics could have a bright future....More

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Understand Arc Flash Safety for Motor Control Centers
An arc flash is associated with the explosive release of energy caused by an electrical arc, due to either a phase-to-ground or a phase-to-phase fault. This kind of fault can result from many factors – a dropped tool, accidental contact with electrical systems, buildup of conductive dust, corrosion or improper work conditions.....More
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ON DEMAND: All You Ever Wanted to Know About GFCIs & AFCIs

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ON DEMAND: Workplace Electrical Safety: Prevention before Protection


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EC&M TV
Apr. 15, 2013
video

The Westex Difference

Learn what sets Westex apart from other flame resistant fabric manufacturers....More

 

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