| [GMCnet] electrical [message #137812] |
Sat, 06 August 2011 23:36  |
john arbuckle
Messages: 122
Registered: March 2010
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I have a 110 outlet right above were the countertop will go. I want to
add another receptical below the counter for a microwave we are
adding. Am I able to wire it from the existing outlet above the
countertop or how would I go about doing this safely? Thank you for
any help.
John Arbuckle
1976 Palm Beach
Tucson az.
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| Re: [GMCnet] electrical [message #137815 is a reply to message #137812] |
Sun, 07 August 2011 00:45  |
idrob
Messages: 645
Registered: January 2005
Location: Central Idaho
Karma: 0
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| john arbuckle wrote on Sat, 06 August 2011 21:36 |
I have a 110 outlet right above were the countertop will go. I want to
add another receptical below the counter for a microwave we are
adding. Am I able to wire it from the existing outlet above the
countertop or how would I go about doing this safely? Thank you for
any help.
John Arbuckle
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John: You might be able to add it to the outlet above the counter, but I think that wire goes on to another location and putting a third wire into the box may be difficult physically as well as having too many wires in the box for proper code electrics. I would just run a new wire behind the closet to the existing circuit breaker box and do your job that way. I think it would be simply easier and better. If you have a space free in your electric box now, put the microwave on it's own circuit and breaker. They take about 10 to 12 amps and that is a full enough load to be by itself.
Rob Allen
former owner of '76 x-PB
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| Re: [GMCnet] electrical [message #137838 is a reply to message #137812] |
Sun, 07 August 2011 08:26 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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| john arbuckle wrote on Sun, 07 August 2011 00:36 |
I have a 110 outlet right above were the countertop will go. I want to add another receptical below the counter for a microwave we are
adding. Am I able to wire it from the existing outlet above the
countertop or how would I go about doing this safely? Thank you for
any help.
John Arbuckle
1976 Palm Beach
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John,
If the power panel in your Palm Beach is still original, there is a problem here. That circuit has plenty of receptacles on it already (including the reefer). In fact, you may not be able to add the branch where you were hoping as it looks like the daisy-chain is full there. BUT, there may be a clean and easy way to do what you really want to do any way.
In the bottom row are one dual circuit and one single circuit breakers.
Add another dual breaker. (Part is ~12$us at Lowe Despot.)
To do this, you will have to pull out the single breaker (not a technical challenge at all) and replace it with a dual.
These breakers are what is called 1-inch Nema Std. and they are supposed to be interchangeable from all manufacturers, but they seldom are as many add little keys and slots. So, if the new breaker doesn't just snap in, compare the two and make the new one like the old (this may void the warranty of your power panel).
Now, pull a new piece of romex from the panel to the intended microwave location. Put a box in there and connect both ends.
You now have a non-overloading isolated circuit for the microwave. I won't matter what else someone turns on or turns itself one while you are nuking dinner.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: [GMCnet] electrical [message #137892 is a reply to message #137838] |
Sun, 07 August 2011 14:43 |
Don A
Messages: 895
Registered: October 2008
Location: Dallas, TX
Karma: 0
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The most important point made so far is the load of the microwave. They are usually best on their own circuit. If there is anytning else on you will probably have maxed out the circuit.
But on the other hand if there is no real, usual load on that circuit, connecting the two bowes is the most logical and simple. If the orig above the counter box has too many wires in it, maybe you can pull one line out to make room and then move it into the new box.
<<I want to add another receptical below the counter for a microwave we are
adding. Am I able to wire it from the existing outlet above the
countertop or how would I go about doing this safely? Thank you for any help.
John Arbuckle >>
Don Adams Dallas, TX
'76 26' Glenbrook, '90 Sidekick
rebuilt by R Archer, powered by J Bounds, Koba
[IMG]http://www.gmcmhphotos.com/photos/data/6109/G2.jpg[/IMG]
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| Re: [GMCnet] electrical [message #137904 is a reply to message #137827] |
Sun, 07 August 2011 15:27 |
idrob
Messages: 645
Registered: January 2005
Location: Central Idaho
Karma: 0
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| Robert Mueller wrote on Sun, 07 August 2011 03:37 |
John,
I did this on Double Trouble.
The outlet above the counter top had two sets of holes that you could stick
the stripped hot and neutral leads into and two sets of screws to retain
hot, neutral, and ground leads also. Avion had used the push in holes and
one of the ground terminals. I used the screw terminals.
I am not a licensed electric so I have no idea if this is legal.
So far so good!
Regards,
Rob M.
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Rob: Unfortunately it is not code legal to do that. It will work, and I would not say you are being really unsafe, but you cannot use both the push in and the screw on terminals to get more wires in and out of the box and terminate them at the outlet and be code compliant. Also, the push in terminals are now only allowed with #14 wire, but when your coach was made, both #12 and #14 could be used. Four wires on an outlet is the rule, no matter how they are physically connected. Now, you can splice short jumpers on a set of three hots and three neutrals (making 4 total) and run them to the outlet, but then you get into the code again, in how many wires can be run into what size box. The GMC (or Avion) box is too small I am sure.
Rob Allen
former owner of '76 x-PB
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| Re: [GMCnet] electrical [message #137917 is a reply to message #137904] |
Sun, 07 August 2011 17:38 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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John,
I was afraid of that which is why I mentioned it. I reckon it's OK for me to
risk my neck but I don't want anyone else doing so because of copying
something I've done.
Avion used plastic boxes for the plugs and it must be larger than what GMC
used as I had no problems fitting in the cable to supply the microwave.
To make sure we don't run into overload problems we don't run anything from
the outlet above the counter top (or any other outlets) when the microwave
is on.
By the way I didn't install the extra outlet a PO did. It is mounted
horizontally in the counter top. I'll bet that's not a good thing either as
water could run into it. At least it is as far from the sink as you can get
it. It's an inch or two in from the side of the coach and to the left of the
cooktop just next to the bathroom wall.
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: Rob Allen
Rob: Unfortunately it is not code legal to do that. It will work, and I
would not say you are being really unsafe, but you cannot use both the push
in and the screw on terminals to get more wires in and out of the box and
terminate them at the outlet and be code compliant. Also, the push in
terminals are now only allowed with #14 wire, but when your coach was made,
both #12 and #14 could be used. Four wires on an outlet is the rule, no
matter how they are physically connected. Now, you can splice short jumpers
on a set of three hots and three neutrals (making 4 total) and run them to
the outlet, but then you get into the code again, in how many wires can be
run into what size box. The GMC (or Avion) box is too small I am sure.
--
Rob
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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