Wiring subpanel question

850 Views 4 Replies 3 Participants Last post by rjniles, Mar 16, 2016

tazman7

Discussion Starter · Mar 13, 2016

Hi,

I am looking at adding a subpanel in my garage. The previous owners had a hot tub on the back deck so there is a 220v panel, but the hot tub is gone. I want to move the wires into the garage and add a subpanel to use for my 220v table saw.

There are two 6 gauge hot wires ran from the main panel to there and a ground wire that goes to a ground rod, no neutral.

Can I take a subpanel and put the two hot wires to it and connect the ground wire to the neutral bar?

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rjniles

· #3 · Mar 13, 2016

tazman7 said:
Hi,

I am looking at adding a subpanel in my garage. The previous owners had a hot tub on the back deck so there is a 220v panel, but the hot tub is gone. I want to move the wires into the garage and add a subpanel to use for my 220v table saw.

There are two 6 gauge hot wires ran from the main panel to there and a ground wire that goes to a ground rod, no neutral.

Can I take a subpanel and put the two hot wires to it and connect the ground wire to the neutral bar?

No you can not. You need a 4 wire feed from your main panel, 2 hots a neutral and a ground..

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rjniles

· #5 · Mar 16, 2016

A pure 240 device like your table saw does not require a neutral.

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