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Rethinking Business Security for the New Normal

A new security study found that physical security incidents keep growing year over year, and businesses are struggling to keep up and stay secure.

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Most Recent

  • 2023 NEC Section 210.8(A)(5): GFCI Protection for Basements

    Here are some important 2023 NEC changes made to 210.8(A)(5), which covers rules for GFCI outlets in basements.

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  • 2023 NEC Section 210.8(A)(7): GFCI Protection for Areas with Sinks and Food Preparation

    Here are the 2023 NEC changes made to Section 210.8(A)(7), which covers rules for GFCI outlets near areas with sinks.

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  • Five More Big 2023 NEC Changes That Are Coming Soon

    The 2023 National Electrical Code is here! This article covers more changes to help soften the blow of transitioning into the 2023 NEC code cycle.

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  • Emerging Technologies for System Integrators in 2023

    With a new year ramping up, now is a good time to look at the emerging technologies from 2022 that are primed to take 2023 by storm.

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Derating Current-Carrying Conductors for Conditions of Use

If you ask a seasoned electrician how many No. 12 AWG conductors will fit into a 3/4″ EMT conduit system, you may get a response such as “one more!” While this is amusing (and typically true), there are precautions that must be taken according to the NEC whenever conductors are bundled together in a raceway, cable, or even in a ditch in the earth.

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2020 NEC Changes to 430.122 Conductors – Minimum Size and Ampacity

Changes to the 2020 NEC include the addition of several paragraphs in section 430.122. These changes will help the user to determine the correct ampacity for conductors used with power conversion equipment. The Adjustable Speed Drive is one type of power conversion equipment that provides a means of adjusting the speed of an electric motor, 100. A Variable Frequency Drive, VFD, is an adjustable speed drive that controls the speed, the RPM, of a motor by controlling the frequency and voltage supplied to a motor. The changes made in 430.122 Conductors – Minimum Size and Ampacity apply to Adjustable Speed Drive Systems.

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330.15 New Standards for Installing MC Cable

New for the 2017 NEC Code-cycle is section 330.15, entitled “Metal-Clad Cable: Type MC Exposed Work.” This new Code section requires an exposed run of MC Cable to closely follow the surface to which it is mounted while enjoying a new permission that allows the MC cable to be installed on the underside of floor joists.

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Don't wait to let the Electrical Inspector teach you the new 2020 NEC. Save time, save money, and pass inspections the first time with the NEC Challenge.

Learn 156 of the most important 2020 NEC changes by having Code-based Q&A delivered by text or email three times a week.

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