grounding a 5000 amp circuit

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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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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Sizing Equipment Grounding Conductors (EGC) Table 250.122: What’s New in the 2020 NEC?

If you turn to Section 250.122 in your NEC, you find information that has assisted electricians sizing equipment grounding conductors (EGC) for longer than most electricians have even been twisting wire.If you were on the job in 1968, you would have turned to Table 250.95 in your NEC for this information instead of Table 250.122, but the information was essentially the same.In 1968 you also would have found that an ungrounded (hot) branch circuit conductor protected by a 6000-amp overcurrent device required no less than a 1200 kcmil aluminum equipment grounding conductor… assuming you were using an aluminum equipment grounding conductor. That information remained unchanged for 50 years. But as the saying goes, “All good things must come to an end.”

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Rethinking Business Security for the New Normal

Most Recent

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

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

Five More Big 2023 NEC Changes That Are Coming Soon

Emerging Technologies for System Integrators in 2023

Recently in

Sizing Equipment Grounding Conductors (EGC) Table 250.122: What’s New in the 2020 NEC?

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