David Herres

David Herres's Posts

Grounding Electrical Boxes

Is using a grounding screw required when working with metal electrical boxes? And what about grounding when using plastic boxes? Read more

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Pigtails for Switches?

Is there any advantage to wiring switches with pigtails? Read more

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Q&A: Sizing Electrical Boxes

What are the guidelines for determining box size, and how can you prevent overcrowding? Read more

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JLC Field Guide
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