Can I run an extension cord behind drywall?
January 17, 2017 6:01 AM   Subscribe

My wife and I finally broke down and bought a modern, flat-screen TV. I would like to hang it and hide the wires behind the wall. I know that I can do this with the low-voltage, HDMI cables, but I am wondering if I can run a good commercial-grade extension cord behind the wall as well so that I can hide the TV's power cord. Is this a dangerous/terrible idea?

Thanks, as always, for your help.
posted by 4ster to Home & Garden (7 answers total) 5 users marked this as a favorite
Oh god no!, please don't do this.

Extension cords have insulation that burns easily. In the case of a fire it will bring the fire from one part of your house to another. It's totally and absolutely against code.

Run proper 'Plenum rated' cable. ie: Romex
posted by Confess, Fletch at 6:05 AM on January 17, 2017 [19 favorites]

Would it work? Yes. Would it be legal? No.

It shouldn't be much more difficult to install a new outlet behind the TV, and connect it properly to whatever outlet you were going to get your power from, with Romex.

(Jinx, buy me a coke)
posted by jon1270 at 6:05 AM on January 17, 2017 [5 favorites]

Yeah, if you're already going to have the wall open, running Romex is not that hard. Look around Youtube, you can find tutorials on nearly anything like this, and it doesn't involve much in the way of tools or parts.
posted by tocts at 6:13 AM on January 17, 2017

OK. Thanks everyone. Message received. I will call the electrician this afternoon.

Thanks so much, Mefites!
posted by 4ster at 6:16 AM on January 17, 2017 [4 favorites]

My man Scott Caron is going to show you exactly how to do this using proper cable.

You'll feel better and it will be more maintainable.
posted by ftm at 6:16 AM on January 17, 2017 [7 favorites]

There are plenty of in wall TV cabling kits that also include power, and don't need opening the wall or running romex.
posted by zsazsa at 6:17 AM on January 17, 2017 [4 favorites]

I am super happy I hired an electrician to hang my TV and add outlets (PLURAL! ADD MORE OUTLETS THAN YOU EVER THINK YOU'LL NEED), HDMI (ADD MORE THAN YOU EVER THINK YOULL NEED), ethernet (.. you get the idea) and route other cables through the wall.
posted by Geckwoistmeinauto at 12:11 PM on January 17, 2017

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