Light Switch Wiring For A Garage
How to Install Garage Wiring: Installing electrical wiring for a garage to provide power for receptacle outlets, lighting and switches.
Garage Wiring Project
Electrical Question: I am completely rewiring my detached garage with its own dedicated 200A service from the power company. I have installed a network of 3/4″ EMT conduit in the ceiling to run a few different circuits. Rather than install hard wired fixtures, I have decided to use plug in fluorescent fixtures. So, the “lighting” circuit is actually just a series of switched outlets.Since I am using EMT and individual 12 AWG THWN-2 wires, is it necessary to change wiring colors in the loop and relabel with tape like you would with NM/Romex wiring? I would much rather stay consist with my wire colors and just have 2 black wires at the switch rather than a black and re-marked white. Also, I understand the wattage draw limitations on lighting circuits, but will the inspector have a problem with me just installing outlets since there is no specific wattage draw? I plan to switch 6 20A duplex receptacles on a dedicated 20A breaker with a 20A light switch (again, 12 AWG wire). The actual wattage draw on the circuit in practice will be fairly low; maybe 1000Watts.
This electrical question came from Randy, a Handyman from Fort Wayne, Indiana.
Thanks for your electrical wiring question Randy.
How to Install Garage Wiring for Light Fixtures and Switches
Application: Garage Wiring for 120 volt circuits.
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrical Contractor or Certified Electrician.
Tools Required: Electricians Pouch of Hand Tools for Rough-In Wiring, Electric Drill and Auger Bits and Extension Cord.
Estimated Time: Depends on the extent of the project, the type of construction and available access to the project area.
Precaution: Any existing wiring in the immediate area that may interfere with the installation should be identified and turned OFF and Tagged.
Notice: Installing additional electrical wiring should be done according to local and national electrical codes with a permit and be inspected.
Installing electrical wiring for a garage to provide power for receptacle outlets, lighting and switches.
- At the switches you can use two black wires, no problem. The main thing is to identify which one is switched to avoid confusion.
- No, the inspector should not have a problem with outlets being used for the lighting, just make sure to keep the cords fairly short and neat.
- The 20 amp circuit will be fine for the 1000 watt lighting load.
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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.
The Safest Way to Test Electrical Devices and Identify Electric Wiring!The Non-Contact Electrical Tester
This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester, [amazon.com], I use for the detection of Standard Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.
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