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    • August 2023

    Electrical Construction & Maintenance: Volume 122, Issue 8
    Photo 2. The NEC Sec. 110.7, Wiring Integrity, requires “completed wiring installations shall be free from short circuits, ground faults, or any connections to ground other than as required or permitted elsewhere in this Code.” Before installation of load side conductors into this 200A disconnect, the line side conductors are tested to ensure no ground faults exist. Load side conductors will be tested after installation.

    Measuring Insulation Resistance the Right Way

    Aug. 11, 2023
    How this maintenance practice can reduce costs/downtime and create an electrically safe work condition
    Circuit Breaker Sales, LLC
    Photo 1. An arc flash can generate an electric arc with a temperature of 35,000ºF.

    Assessing Circuit Breaker Condition and Arc Flash Safety

    Aug. 11, 2023
    Best practices for identifying and reducing arc flash incident risk in the field
    Ellenheadshot Rev

    Making Sure You Stay on the Safe Side of Electrical Maintenance

    Aug. 10, 2023
    This issue takes a look at some of the most important aspects of electrical maintenance such as preventive maintenance best practices and checklists, safety considerations for...
    MegaFlex UL

    2023 EC&M Product of the Year: UPS Produces More Power in a Compact Footprint

    Aug. 10, 2023
    ABB’s MegaFlex UL wins the Platinum award in the 2023 EC&M Product of the Year competition.
    Ipq Photo3

    Preventive Measures for UPS Systems

    Aug. 10, 2023
    This case study reveals how to prevent costly shutdowns and lost production.

    More content from August 2023

    Facility Solutions, Austin, Texas (#64 on EW’s ranking), expects Netflix’s plans to redevelop the Fort Monmouth, N.J., campus into a major film studio to provide business in the coming years. According to a Netflix press release, the first phase of the project will include the construction of 12 soundstages that will range in size from 15,000 sq ft to 40,000 sq ft each with a maximum build out of 480,000 sq ft.

    2023’s Largest Electrical Distributors

    Aug. 10, 2023
    Despite concerns over a recession, most of 2023’s Top 150 distributors expect to power through the uncertain economic climate and log increased revenues this year.
    Photo 1. This bearing was relubricated with an excessive quantity of grease.

    Best Practices for Electric Motor Bearing Relubrication

    Aug. 10, 2023
    Optimize the lifetime and performance of machines through proper relubrication frequency and quantity.
    Fig. 1. A motor branch-circuit OCPD must be able to carry the motor’s starting current.

    NEC Requirements for Motors – Part 2 of 2

    Aug. 9, 2023
    Do you know how to protect motors and related equipment from overcurrent and ground faults?
    Fig. 1. Examples of EMT uses not permitted by the NEC.
    gas piping used as wiring

    Illustrated Catastrophes: A Creative Wiring Solution

    July 25, 2023
    See the latest Code violations from NEC Consultant Russ LeBlanc.
    too many electrical wires

    What's Wrong Here? Hint: A Five-For-One Special

    July 25, 2023
    Can you spot the Code violation in this photo?
    electric space-heating cable installation

    Practically Speaking: Panelboard Versus Panelboard Enclosure

    July 25, 2023
    Should labels really be installed on the panelboard itself?