New Electric Furnace and Heat Strip question


Old 08-22-03, 07:47 AM
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New Electric Furnace and Heat Strip question

Adding a room above my garage as a playroom and sewing room for my kids and wife, respectively. I plan on installing a split system with the condensor beside the garage and the furnace/heat strip/air handler in the attic. Getting ready to run the wire and my supplier said a 60 amp breaker is required for the unit in the attic.

My questions are as follows:
1. Is #6 copper wire the right size for the 60-amp or should I go with #4 copper? Every one seems to think #6 will do, but some charts I have read suggest #4.

2. Does the #4 or #6 (whichever is correct) wire directly into the unit or is a cutoff box required to be installed adjacent to the unit. (Similar to the outside unit)?

3. Is there anything else I am missing in the equation. For example, is a separate circult need for a fan motor, etc.

I have planned on decking the area occupied by the unit, having a light, and having an outlet.

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Old 08-22-03, 08:09 AM
Ed Imeduc's Avatar
Join Date: Aug 2002
Location: Mountain Williams Missouri
Posts: 18,389
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elec. heat and ac

On #1 # 6 wire should do you . what does code there say

# 2 what does code say for there? check it out

#3 The fan will run off the wire you have comeing in for the heat
Dont forget the overflow pan under the unit. If you look around you can find a light to go on a box that has a outlet plug in it

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