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Old 08-14-2013, 01:38 PM   #1
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What does this pipe do?


There is a strange copper pipe with a cap coming out from the wall underneath the kitchen sink. The cap is crimped on.
In the picture, it has an orange cap, and it's above the cold water pipe on the right.

I have no idea what it's for...
Does anyone know what it's for?



Last edited by SurfAndSand; 08-14-2013 at 02:04 PM.
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Old 08-14-2013, 02:33 PM   #2
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What does this pipe do?


Possibly for a refrigerator water/ice maker.

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Old 08-14-2013, 07:31 PM   #3
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What does this pipe do?


Makes sense. Thanks!
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Old 08-14-2013, 07:33 PM   #4
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What does this pipe do?


Right next to it, I have two outlets. I'm guessing one of them is for the Dishwasher, and the other for the Garbage disposal.

One of the outlets has 3 wires. The other outlet has only 2 wires. Care to take a guess which outlet is for the GD and the other for the DW?

If not don't worry about it - the circuit is clearly marked in my electrical panel, and I can just use a non-contact VM to tell me if there's current when I flip the switch.

Why would one of the outlets not have a ground though, is beyond me.
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Old 08-14-2013, 07:38 PM   #5
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What does this pipe do?


What color are the wires?
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Old 08-14-2013, 08:37 PM   #6
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What does this pipe do?


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Originally Posted by SurfAndSand View Post
Right next to it, I have two outlets. I'm guessing one of them is for the Dishwasher, and the other for the Garbage disposal.

One of the outlets has 3 wires. The other outlet has only 2 wires. Care to take a guess which outlet is for the GD and the other for the DW?

If not don't worry about it - the circuit is clearly marked in my electrical panel, and I can just use a non-contact VM to tell me if there's current when I flip the switch.

Why would one of the outlets not have a ground though, is beyond me.
I would guess the 2 wire outlet is for the garbage disposal, and the 3 wire outlet is for the dishwasher.

Dug up this code reference. Read "exception" part. A seperate ground for your garbage disposal may not be needed. This may be why it's wired that way, I don't know. IMO, if everything is working fine and no one is getting shocked, I would just leave it alone.

422.16(B) Specific Appliances.

(1) Electrically Operated Kitchen Waste Disposers. Electrically operated kitchen waste disposers shall be permitted to be cord-and-plug-connected with a flexible cord identified as suitable for the purpose in the installation instructions of the appliance manufacturer, where all of the following conditions are met:

(1) The flexible cord shall be terminated with a grounding-type attachment plug.

Exception: A listed kitchen waste disposer distinctly marked to identify it as protected by a system of double insulation, or its equivalent, shall not be required to be terminated with a grounding-type attachment plug.

(2) The length of the cord shall not be less than 450 mm (18 in.) and not over 900 mm (36 in.).

(3) Receptacles shall be located to avoid physical damage to the flexible cord.

(4) The receptacle shall be accessible."

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Old 08-14-2013, 08:39 PM   #7
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What does this pipe do?


Wow! Thanks dude. I love this forum. You guys are so much more helpful than a automotive forum. :D
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Old 08-14-2013, 08:49 PM   #8
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Wow! Thanks dude. I love this forum. You guys are so much more helpful than a automotive forum. :D
Your Welcome. Thanks, we are here to help anytime. Glad everything worked out for you.

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