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    • EC&M Asks

    Our readers ask a technical question, and our subject matter experts answer.

    Highlights

    EC&M Asks — Summarizing NEC Art
    March 28, 2024
    In Episode 32, SME Randy Barnett addresses overcurrent protection, overloads, and sizing conductor requirements for motors.
    EC&M Asks — NEC Requirements for Connecting PV Systems to the Utility
    March 14, 2024
    In Episode 31, SME Ryan Mayfield explains methods for complying with NEC Sec. 705.11.
    EC&M Asks — Electrical Testing & Maintenance on a Budget
    Feb. 22, 2024
    In Episode 30, Ron Widup shares best practices for performing infrared surveys and meeting industry standards for ground-fault protections and performance testing.
    EC&M Asks — Tips for Safe Selection & Use of Digital Multimeters
    Jan. 25, 2024
    In Episode 28, Tommy Northcott covers how to safely operate DMMs.
    EC&M Asks — Changes to the 2024 NFPA 70E, NFPA 70B Compliance, and 2023 NEC Updates
    Jan. 12, 2024
    In Episode 26, Randy Barnett also addresses complying with NFPA 70B and changes to the 2023 NEC.
    Ecm Asks Randy Video 5
    July 27, 2023
    In Episode 20, Randy Barnett covers reader-submitted questions about reconditioned equipment.
    Tommy Ecm Asks Video 5
    July 13, 2023
    In Episode 19, Tommy Northcott covers electrical equipment maintenance.
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    Broadcast video caption
    July 1, 2023
    In Episode 28, Randy Barnett covers bonding of electrical systems and equipment.
    Ecm Asks Don Kiper 3
    June 22, 2023
    Don Kiper shares recommendations for choosing estimating software in Episode 18.