Electrical Basics

JLC Field Guide: Electrical Basics

Whether you're starting out or a veteran contractor, understanding basic definitions and materials is the first step to working successfully with your trade partners.

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Electrical Basics Featured Articles

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Job-Site Power: Handle With Care

An electrician discusses several options for safe, economical temporary job-site... More

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Temporary Construction Power Box - Build your own!

If you build or remodel homes for a living you've definitely encountered times when the crews didn't have enough power. Here's how we bring a portable power panel to our jobs to get everyone connected. More

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Electrical Problem-Solvers

When it comes to wiring, these tools and products can save you time and money More

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Common Electrical Inspection Failures

The last thing a gerneral contractor needs is to have a job put on hold because of a failed electrical inspection. A master electrician shows how to identify the trouble spots before the inspector does. More

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Plug-In Electrical Testers

Using an inexpensive tester, you can troubleshoot a miswired receptacle without... More

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Electrical Basics Instruction

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Grounding Electrical Boxes

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

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Pigtails for Switches?

Is there any advantage to wiring switches with pigtails? More

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Q&A: Sizing Electrical Boxes

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

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Rookie Builder Mistakes - Part 1 - Electrical

Have you ever lost a project because you were too "expensive"? Aren’t the plans... More

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Q&A: Outlet on Boxed Column

If you box in a Lally column in a finished basement, does code require that you... More

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