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wiring home generator and transfer switch wiring a 220 volt range cord outlet Wiring for GFCI Outlets Wiring Outlets and a Switched Outlet How to Installing and Wire Ceiling Fans and Remote Controls wire dimmer switch wiring diagrams for switches wiring a dryer cord and 220 outlet circuit breaker panel
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Electrical Codes for Basement Wiring


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Summary: Electrical Wiring Question: Hi there: When installing electrical circuit wiring in a basement that will be wired through the ceiling to a first floor outlet near the floor of that level, is Romex wire OK? We have heard that you should use metal cable.


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Electrical Codes for Basement Wiring



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Electrical Troubleshooting Question:
When installing electrical circuit wiring in a basement that will be wired through the ceiling to a first floor outlet near the floor of that level, is Romex wire OK? We have heard that you should use metal cable.
Thanks! Randy M.


Hi Randy - Great Electrical Repair Question!
Here are the electrical codes for Basement Wiring:
Basement Wiring - NEC Sections 336-6c, 333-11.

The concern is that the wiring is protected and not exposed to physical harm. Other considerations include the future use of the area.

You do not want to run surface wiring if the area may be finished off with sheet rock or other materials in the future.

Romex-Type-NM Cable
The code states that the Romex style wiring made up of two conductors smaller than No.6, or three No.8 must be run through holes bored in joists, or on running boards which would provide protection to the wiring.

Armored BX Cable
In unfinished basements, exposed runs of armored (BX) cable can be run on the undersides of joists in basements where supported on each joist and so located as not to be subject to physical damage.

Unfinished Basements
In Unfinished Basements where the cable is run at angles with joists in unfinished basements, it is permissible to secure cables not smaller than two No. 6 or three No. 8 conductors directly to the lower edges of the joists.

Smaller Romex type cables shall either be run through bored holes in joists or on running boards. On Running Boards refers to wood members such as joists, girders or supporting members. This accomplished by following these members there by having a means for protection and anchoring.

From: Randy M.
Dave, thank you very much for the info!
Regards,
Randy M.

PLEASE NOTE: The local inspection authority usually interprets the meaning of subject to physical damage. Your local building inspector enforces their Interpretation of the Code , thereby having the final authority.

Be Careful and Be Safe - NEVER work on a Live Circuit!


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Wiring Home Electric Circuits
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Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
NEC Codes for Home Electrical Wiring
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The Safest Way to Test Electrical Devices and Identify Electric Wires!

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 that I use to easily Detect 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.

The Quickest Way to Check for Faulty Electrical Wiring!

The Plug-In Outlet Tester
This is the first tool I grab to troubleshoot a problem with outlet circuit wiring. This popular tester is also used by most inspectors to test for power and check the polarity of circuit wiring.
It detects probable improper wiring conditions in standard 110-125 VAC outlets Provides 6 probable wiring conditions that are quick and easy to read for ultimate efficiency Lights indicate if wiring is correct and indicator light chart is included Tests standard 3-wire outlets UL Listed Light indicates if wiring is incorrect Very handy and easy to use.

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The Wire Stripper and Wire Cutter
My absolute favorite wire stripping tool that I have had in my personal electrical tool pouch for years, and this is the tool I use to safely strip electrical wires.
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The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets..

The wire stripper will work on both solid and stranded wire. This tool is Very Handy and Easy to Use.





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electrical codes for basement - 1705