Light Switch Wiring For A Garage
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How to Install Garage Wiring: Installing electrical wiring for a garage to provide power for receptacle outlets, lighting and switches. © By: Dave Rongey |
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.
Dave’s Reply:
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.
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