Featured Articles

rss
  • Eaton Expands Variable Frequency Drive Line

    Eaton has expanded its PowerXL Series DG1 variable frequency drives to include a new Frame 6 option. Aimed at the global commercial, industrial and original equipment manufacturer (OEM) market, the new Frame 6 drive option increases available power from 150 to 250 horsepower, adding agility, reliability and safety while reducing energy consumption to help customers reduce energy costs.

    Read more
  • Being Selective When Talking About Coordination

    Ensuring a minor branch-circuit electrical fault doesn’t travel any farther upstream is a goal of any electrical designer’s plans. However, in some settings, isolating such problems is especially critical. This is why the National Electrical Code (NEC) has paid a great deal of attention to the specification of appropriate fuses and/or circuit breakers to achieve “selective coordination” over the years.

    Read more
  • Business Information and the Cloud

    I've seen a lot of changes in business computing over the last three decades. Once upon a time, all you needed was a large enough closet to house a server or two. And, of course, some cable looms to keep your cabling neat and tidy.

    A rack system on the wall supported a few ethernet switches to handle incoming cables and route them to the servers. To keep things cool, an air conditioner was ducted into the space, ensuring the equipment wouldn't overheat.

    Read more
  • Data Center Products: More than Just Neat and Tidy

    In a previous article, I mentioned how data centers evolved from tiny spare closets to huge data-only facilities, often housed underground.

    There's no doubt that as the need for big data and other information increases, the data centers that gather and distribute this information will evolve as well. And, they're getting huge.

    Read more
  • Keeping Current on Voltage-Testing Options

    Among the most basic tasks for electrical contractors is testing for the presence – or absence – of electrical voltage. Whether it’s simply to determine if a system is de-energized and safe to work on, or part of a more complicated troubleshooting exercise, voltage testing is a critical element in any contractor’s job. Choosing the right tester can be more than an issue of convenience, it also can make a difference in an electrician’s productivity – and, more importantly, safety.

    Read more
  • Greenlee Offers 855GX IntelliBender, Advanced Bending Software via BendWorks

    Greenlee’s 855GX IntelliBender cable and conduit bender offers electrical contractors a programmable and portable bender capable of making the most advanced bends with relative ease and speed.

    It can bend 3/4-inch rigid in either of its 1-inch rigid or 1-inch EMT shoe grooves, and 1-to-2-inch rigid, EMT or conduit with just one shoe featuring smart sensors that know exactly what diameter conduit and type you are going to bend.

    Read more