Class “A” GFCI devices have been around for so long that we’ve all become pretty familiar with them, but have you ever heard of an “SPGFCI” (special purpose ground-fault circuit interrupter)?

Learn what you need to know by watching the video in which Mike and the team discuss this new special-purpose ground-fault protection device.

This video is extracted from Mike Holt's Understanding Electrical Theory Library https://www.mikeholt.com/Theory. For additional information call 888.632.2633.

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