Basic wiring questions

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Old 09-26-17, 06:57 AM
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Basic wiring questions

https://i.imgur.com/a9nfYjb.jpg

I'm putting a new furnace in and I'm at the point to wire it in. I was going to use the existing wiring which i think is 10-3. My main question is about where the neutral goes or if i need different wiring for this furnace. I dont see a neutral bar or spot to put it.I'll post a picture that shows what im working with. Let me know if you need any additional information.
thanks in advance.
 
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Last edited by PJmax; 09-26-17 at 09:07 AM. Reason: added pic from link
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Old 09-26-17, 08:00 AM
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The link doesn't work. So I'll just take a guess, the furnace won't have a neutral bar ?? What's the make and model number ?
 
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Old 09-26-17, 08:27 AM
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Its a goodman aruf with a 10kw heat kit. I didnt remove the old furnace so I'm not sure about the wiring. I'm thinking maybe i just need two wire instead of three. I copied the link and it worked for me.
 
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Old 09-26-17, 09:11 AM
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Welcome to the forums.

You are in trouble.

That new electric furnace requires at least 45A of power based on the 10kw heater. #10 is only good for 30A. There is no neutral bar or connection as that unit strictly needs 240VAC. That would be two hots and a ground.

That 10-3 is going to need to be replaced with 6-2 w/ground cable.
 
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Old 09-26-17, 09:40 AM
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Ok,thanks pjmax. This is what i needed to know
 
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