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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.

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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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.

Learn How to Wire it Right with my
Complete Guide to Home Electrical Wiring
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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?