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Electrical Wire and Cable

Is Your Electrical Wiring the Right Type

How to Know if Your Electrical Wires and Cables are Correct: Identifying Wire for Electrical Circuits: Homes are wired according to national electrical codes which have various electrical circuit requirements depending on the circuit application and area of the home.

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Wire for Electrical Circuits
Electrical Question: I have a Lithonia OALS12A 65F 120 P LP WH & BZ security light that asks for wire rated at 90 degrees.

This home electrical repairs question came from: Kathryn, from Portland, Oregon.

Additional Comments: I liked your wire equipment breakdown and descriptions. What about old wire for those of us that have older houses?

Dave’s Reply:
Thanks for your electrical repairs question Kathryn.

How to Know if Your Electrical Wires and Cables are Correct


Application: Home Electrical Wiring
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrician.
Tools Required: Basic Electricians Pouch Hand Tools and a Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with tools and install electrical circuit wiring.
Precaution: Identify the electric panel circuit, turn it OFF and Tag it with a Note before working with the wiring.
Notice: Installing additional electrical circuit wiring should be done according to local and national electrical codes with a permit and be inspected.

Identifying Wire for Electrical Circuits

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What is the electrical wire capacity
The amperage for electrical wire capacity wire is determined by a few factors. As shown in the NEC Table 310-16 below the temperature rating of the insulation has much to do with how much electrical current the wire is designed to withstand.

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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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FAQs Frequently Asked Questions and Comments

3 Responses to “Is Your Electrical Wiring the Right Type”
  1. Gerald says:

    Need advice and info on adding a Carrier Motel type Wall Mount Heat pump in my garage and possibly one for the SunRoom later. Am looking at my needs including separate 30 A Disconnect near my 200 Amp Entrance, #8 Wire approx 45 ft over attic, A/C outlet & Box. Can’t find the aux. heater strip size but assume 30A will handle. Missing anything?

  2. Dave Rongey says:

    Electrical wires for an exterior Sound System should be Exterior UV Rated Audio Cable, typically #14 gauge stranded for good sound performance.

  3. Energieprestatiecertificaat says:

    What type of electrical wire will i use for outside the house for putting up a sound box for the stage?