Thoughts On Proposed Custom Extension Chord - Electrical - DIY Chatroom Home Improvement Forum

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Old 03-17-2014, 04:54 PM   #1
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Thoughts on proposed custom extension chord

Hi all,

I'm not an electrician and I have no experience within this area so I wanted to see if my idea is not good or if a solution already exists.

I have an extension chord which I use every night to recharge my electric car. My wife doesn't want me to keep the extension cord plugged 24/7 because our kids play near it during the day and she is concerned they might cut the cord with their scissors or other objects. The kids can not reach the area where the cord plugs in to the wall or in to the car.

My desired solution would be to have an extension cord which has a switch on it so i can leave the cord plugged in but it won't be live. Kinda like they have on power strips. I'd also like the cord to be 25 feet long and 10 gauge rated wire because both ends of my current 12 gauge extension cord get a bit hot (not painful to the touch though) , the electrical outlet doesn't feel hot. The car is drawing 12 amps at 120V for 9 hours so heat is to be expected I guess. The circuit is rated for 20AMPs & the car is the only appliance on the circuit.
I've search high and low for something which fits my description but I cannot find anything. I also did not want to get a power strip and plug that in to the wall first because I want all cables to be 10 gauge rated also I heard that every new connection in the chain is just one more area for heat to build up or source of trouble. So I was hoping to find a fairly self contained solution. Or is this logic incorrect or overkill?

PS - I can not put a 220-240Volt outlet in the house or install a L2 EVSE because the house is a rental and the landlord denied my request to pay for the updating. Landlord also denied my request to install an outdoor outlet near the car.


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Old 03-17-2014, 05:06 PM   #2
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The 12 wire is plenty fine...
You said it's the ends that heat up (the connections)..

(actually 14's (draw 12 amps) are fine but 12's wouldn't hurt)
Get a good "industrial" extension cord.

Switch is fine (or un-plug it)

another factor...

put it up in the air (height) so it's out of the way and they can't reach


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Old 03-17-2014, 05:07 PM   #3
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Wouldn't it just be easier to wind up the cord every morning?
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Old 03-17-2014, 05:16 PM   #4
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Can you just turn the breaker off? That is the simplest solution.
Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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Old 03-17-2014, 05:24 PM   #5
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Originally Posted by stickboy1375 View Post
Wouldn't it just be easier to wind up the cord every morning?
The more you know........

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Old 03-17-2014, 05:30 PM   #6
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