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Electrical Wire and Cable

Testing Electric Light Switches

Can a Light Switch Leak Voltage? Light Switch Circuit, Voltage Tester Readings and Explanations.

Testing Light Switches
Electrical Question:  Can a Light Switch Leak Voltage?

Electrical Wiring at the Light Fixture:

Dave’s Reply:
Thanks for your electrical wiring question Kevin.
Background: Kevin, a Homeowner from Chapel Hill, North Carolina.

Light Switch Voltage Readings

Application: Testing Light Switches.
Skill Level: Intermediate to Advanced – Best performed by a Licensed Electrical Contractor.
Tools Required: Basic Electricians Pouch Hand Tools and Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with hand tools and electrical troubleshooting skills.
Precaution: Identify the lighting circuit, turn it OFF and then Tag it with a Note before performing any wiring or switch testing.

The Light Switch Circuit

Voltage Tester Readings and Explanations

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