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Sizing A Main Electrical Panel For A Home

By Dave Rongey - Summary:

What size main panel should I install for my home electrical circuits? How to Size a Main Electrical Service Panel for a Home.

Main Electric Service Panel

Electrical Question: What amperage size main panel should I install for my home and the electrical circuits?

This electrical wiring question came from: Tom, a Homeowner from Wells, Maine.

Dave’s Reply:
Thanks for your electrical question Tom.

How to Size an Electrical Panel for a Home


Application: Main Electrical Panel.
Skill Level: Intermediate to Advanced – Best performed by a Certified Electrician or Electrical Contractor.
Tools Required: Basic Electricians Pouch Hand Tools and Voltage Tester.
Estimated Time: Depends on personal level experience and ability to work with tools.
Precaution: Identify the circuit, turn it OFF and Tag it with a Note before working with the wiring.
Important: Burnt or damaged wiring and circuit components should be replaced with new electrical materials of the same voltage and amperage rating.
Notice: Installing or Rewiring Home Electrical Wiring should be done according to local and national electrical codes and installing new or replacement electrical parts or equipment may require to have a permit and be inspected.

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