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Old 10-08-2007, 01:33 PM   #16
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Oven/Micro Combo wiring....


Ok, now I am freaking out!

THis is the info from the install manual. THe cord we are using that will connect to the unit is only 3 wire. I hope I am communicating this correctely!

Electrical Connections
Unit to be properly circuit protected and wired according to local electrical code and National Electrical Code.
It is advisable that the electrical wiring and hookup be accomplished by a competent electrician.
120/240 VAC or 120/208 VAC 60 Hz. See serial plate on front of unit for power requirements.
The neutral of this unit is grounded to the frame through the solid grounding wire. (The ground and the white wires are twisted together at the termination of the conduit.) If used on new branch-circuit installations (1996 NEC), mobile homes, recreational vehicles, or in an area where local codes prohibit grounding through the neutral conductor, untwist or disconnect the ground wire and connect to ground in accordance with local code. Connect the white neutral to the service neutral. Connect all wires to the branch circuit with approved connectors. Use copper or aluminum wire. If aluminum wire is used, use connectors recognized for joining aluminum to copper.
The chart below recommends the minimum circuit protection and wire size if the appliance is the only unit on the circuit.

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Old 10-08-2007, 01:45 PM   #17
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Oven/Micro Combo wiring....


Quote:
If used on new branch-circuit installations (1996 NEC), mobile homes, recreational vehicles, or in an area where local codes prohibit grounding through the neutral conductor, untwist or disconnect the ground wire and connect to ground in accordance with local code. Connect the white neutral to the service neutral.
The part about "new branch-circuit installations" is what applies in your case. Do you have the combo unit yet? It will come with a piece of conduit with the wires inside. The ground and neutral will be connected where the wires exit the conduit. You are to separate the ground and neutral and wire them to the corresponding bare (ground) and white (neutral) of the 10/3. You do not need to add a cord to connect the unit. It is made to be hardwired.
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Old 10-08-2007, 01:49 PM   #18
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Oven/Micro Combo wiring....


I do not, it is coming this week. I was hoping it would have a whip, but was not sure, thus the reason I added a receptical.

So, what I will do is have him come back, take out the receptical and tie it together with the run we made from the panel.

Thanks guy's!
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Old 10-08-2007, 02:00 PM   #19
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Oven/Micro Combo wiring....


Ok, now I am freaking out!

THis is the info from the install manual. THe cord we are using that will connect to the unit is only 3 wire. I hope I am communicating this correctely!

Electrical Connections
.
Quote:
120/240 VAC or 120/208 VAC 60 Hz. See serial plate on front of unit for power requirements.
The neutral of this unit is grounded to the frame through the solid grounding wire. (The ground and the white wires are twisted together at the termination of the conduit.) If used on new branch-circuit installations (1996 NEC), mobile homes, recreational vehicles, or in an area where local codes prohibit grounding through the neutral conductor, untwist or disconnect the ground wire and connect to ground in accordance with local code
.

Ok this will clear things up. Your unit has a 4 wire pigtail and has been factory wired for a 3 wire connection. However you have updated the branch circuit to a 4 wire branch circuit not a 3 wire (pre 1996 were 3 wire)So you have to change the unit to a 4 wire hookup.

Do you still want to cord and plug? If so your going to need to get a four wire receptacle and 4 wire cord and plug. I wish you would hard wire this unit but the choice is yours, make sure there is no place in the instructions that says you are not to cord and plug.

We can give you the proper wiring instructions if you can tell us which you would prefer to do... cord and plug or hard wire? the idea is the same but a slightly different approach if you are going to remove the factory pigtail and replace with cord and plug.

EDIT: Can you by any chance post a photo of the units terminal block?

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Old 10-08-2007, 02:08 PM   #20
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Oven/Micro Combo wiring....


TO be honest, I think I am going to hardwire. I thought that a cord and plug would be cleaner and easier. In addition, the circuit was pulled to a single gang plastic junction box and no real length of 10/3 was left except to wire in a receptical.

Can I still hardwire without having to run a new circuit or am I stuck with adding a receptical and cord due to the short length?

I am to receive the unit on Thursday and will post pic's.
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Old 10-08-2007, 02:11 PM   #21
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Oven/Micro Combo wiring....


I see I posted a little after househelper. I agree hardwire this unit. One thing though is you will need to disconnect the ground wire that runs from the neutral terminal on the units terminal block the frame. My guess is the factory pigtails ground wire has been run to the frame and then under a green screw. they then ran a short jumper from the green screw to the neutral terminal. You need to remove the jumper. Thats why I would like a picture or a description from you how they did the neutral to frame grounding.

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Old 10-08-2007, 02:16 PM   #22
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Oven/Micro Combo wiring....


you got it. I will post pic's as soon as I receive the unit.
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Old 10-08-2007, 02:20 PM   #23
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Ok it is possible your factory whip will reach the box where you ended your 10/3 g. If not then you can cord and plug if allowed by the manufacturer. Either way you will still need to remove the neutral to ground jumper at the units terminal block. The specifications say the neutral is bonded to the frame to facilitate 3 wire connections yours is a 4 wire which is an updated and safer installation.

One thing how did you get a 30 amp receptacle in a single gang box?
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Old 10-08-2007, 02:25 PM   #24
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Oven/Micro Combo wiring....


not really sure, but it fit!

I will take some pic's and post them all. I appreciate you sticking with this through word's and no pic's!
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Old 10-08-2007, 02:32 PM   #25
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Originally Posted by Stubbie View Post
Ok it is possible your factory whip will reach the box where you ended your 10/3 g. If not then you can cord and plug if allowed by the manufacturer. Either way you will still need to remove the neutral to ground jumper at the units terminal block. The specifications say the neutral is bonded to the frame to facilitate 3 wire connections yours is a 4 wire which is an updated and safer installation.
Stubby: There should be no need to access the terminal block if a whip is attached. The manufacturer bonds the ground and neutral on the exposed wires at the end of the whip. Cutting that connection un-bonds the frame and neutral, therefore no access to the terminal block is needed.
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Old 10-08-2007, 02:56 PM   #26
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Oven/Micro Combo wiring....


Yes, I see what your saying and understand. My concern was he may cord and plug and I wanted to make sure there is no bonding jumper at the terminal block. The instructions seem to say just at the neutral to ground wire. So I would agree he should not have to access the terminal block in this case.

DCd... seems I may have misinterpreted what you have there so pictures are not going to be necessary and you should not need to do anything except break the neutral and ground wire at the end of the whip and then hardwire it to your 10/3 g. I do think you should change out that plastic box to a 4x4 metal box so you can terminate the factory whip correctly.
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Old 10-08-2007, 02:58 PM   #27
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Oven/Micro Combo wiring....


Understood!
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Old 10-08-2007, 03:12 PM   #28
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Oven/Micro Combo wiring....


Btw is this your unit......

http://www.jennair.com/catalog/produ...ion=specs#info
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Old 10-09-2007, 07:14 AM   #29
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Oven/Micro Combo wiring....


Yes stubbie, that is it.
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Old 10-09-2007, 02:13 PM   #30
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Oven/Micro Combo wiring....


Just wanted to say what a nice unit that is and we definitely want it wired right....

So after seeing this unit online I wouldn't entertain anything other than hard wire for getting it hooked up to power. You have too much invested to short change the installation. Run a new 10/3 g if you have to in order to use the factory whip. You have a simple change to make and you will be done.

I want you to look at these instructions for the same type appliance by Whirlpool. Scroll down to page 4 "electrical connections". Your going to want to wire your unit like the 4 wire cable diagram shown. However your Jenn Air unit comes with the neutral and ground bonded for connection to a 3 wire supply. so look at the 3 wire connection diagram on page 4. Look at "E" this is the neutral and ground crimped together. Your going to cut that crimp or whatever they used and seperate the neutral (white) from the ground (probably green or bare).
Now go to the 4 wire connection diagram and connect as shown in steps 1 thru 6. This is a much better instruction sheet for homeowner.

http://www.insideadvantage.com/asset...ea5b0c92486f3c

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