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Articles about testing wires

Identifying and Repairing Electrical Wiring

Updated: August 26, 2019 by: Dave Rongey

How to Identify Junction Box Electrical Wiring. A tester or meter may be used to identify the electrical wiring that may be found in the junction box.


Testing Electric Light Switches

Updated: July 3, 2015 by: Dave Rongey

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


How To Troubleshoot Wall Receptacle Problems

Updated: November 30, 2014 by: Dave Rongey

How to Test Electrical Wiring for Outlets: I have a 120volt receptacle that does not work even though the voltage tester shows there is voltage at the receptacle.


How To Identify Ceiling Fan Wiring

Updated: September 24, 2012 by: Dave Rongey

How to Wire a Ceiling Fan and Light Fixture: Some ceiling fan electrical boxes have more than one set of electrical wires which may need to be identified in order to get the correct wiring configuration.


Identifying Wiring for a Ceiling Fan and Light Fixture

Updated: July 15, 2012 by: Dave Rongey

Testing Wiring for a Ceiling Fan and Light to enable the right connections – The fan has wires of black, white, and blue, and a green grounding wire…