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Electrical Wire and Cable


Electrical Code for Wire Type and Size

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How to Know What Wire Size and Type to use for Home Electrical Wiring – Continuing the circuit with the same wire size and type is essential to maintain the integrity of the circuit.

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Electrical Question: Is it legal to start a circuit with AC 12-2 and then mid circuit change the cable type to NM 12-2?

This Electrical Wiring Question came from: Eric, a Homeowner from Fairfax, Virginia.

Dave’s Reply:
Thanks for your electrical wiring question Eric.

How to Select the Right Size and Type of Electrical Wire

Maintaining Circuit Integrity

Wire Type Definitions In This Discussion

Components of Maintaining Circuit Integrity include Items within the Circuit that have the same Circuit Rating Factors, such as:

The Dangers of Not Maintaining Electrical Circuit Integrity include:

The Following will assist you with your electrical question:

Circuit Wiring

Electrical Panel Circuit Listing

Electrical Wire for the Home

Electrical circuit
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Electric Circuit Listing
The size of the home electrical service panel is designed by calculating the square footage of the home and factoring in the code requirements for the electrical circuits that are required.

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Electrical Code
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120 Volt Circuits
240 Volt Circuits
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Electrical Codes for Home Electrical Wiring
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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

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