I have recently baught a construction heater to wire into my garage. When speaking to the electrician at the store, he gave me all the advice my friend (who is a master's electrician) did. When I got home, I noticed that the wire he sold me to connect to a double pole Stab-lok 30A breaker was a #10 with only a Black, White, and Green (ground). I have all the parts, but feel completely confused because I have only wired double pole breakers with a Red wire added... and my friend just left for a 3 week long trip down south.

Can I wire a double pole breaker with just 2 active wires (White and Black)?

If so, how?

Will it draw/hold 240V?

What do I attach to the neutral?

Your response is appreciated... It looks like the weekend will be a cold one here in Canada.

The real question is does your heater REQUIRE a neutral?

In all liklyness it doesn't. What you would do in the US anyway is tape the ends of the white wire with red tape.

Now you know where the red and black go and obviosly the ground.

If you use a plug, there should be only 3 wires. 2 hots and a ground.

If I read you post right you did not get a red wire in the wire that you bought.

If that is so you would do what keep it simple said but instead of a red wire just put the black wire in one lug of the double switch and the white wire in the other and then connect the ground wire to the grounding bar. The only difference from what he said is you are using a different dolor

By NEC Code, if the Neutral conductor <grounded conductor> (White, Gray or a conductor with three (3) white stripes) is re-tasked as an ungrounded conductor the conductor MUST be either taped or colored (sharpie pen) any other color other than gray or white. See 2008 NEC section 200.7 (A), (B) and (C).

This must be done at both terminations as well as any exposed sections on the run and inside any jboxes. Either Black or Red are suitable.

The reason is that if someone comes behind you and touches or services that conductor thinking it is a grounded conductor when in fact it is a ungrounded conductor they may/will get shocked and/or injured.

I need to make sure I have all the information straight.

The heater you have, is it 240 VAC or 120/240 VAC.

You have not given the amperage required for this heater. Nor have you given any information about the breaker that you will be using.

donf:

Look at post #1. The OP even gave the brand of breaker. Stablok 30 A breaker, 10/2 wire. He also mentioned 240 V.

Thank's Kiss!