Above Ground Pool Wiring ?

[rgoble1]

Installing an above ground pool
Have read all the recent posts and link above on above-ground pools.
Still have a couple of questions.
Pump label has 11.0/2.9 Amps, 115 volts, has a twist lock plug.
Run from service panel in house is 145 Feet to pool.
Plan on using 1” conduit.
I was using some of the online voltage drop calculators, and they seem to say I could use #12 at this distance. But I plan on using #10.

I was thinking on running multi-wire circuit, but wasn’t sure how to GFCI
the twist lock receptacle? Can I get a GFCI twist lock receptacle, or do I need to use a 20 amp GFCI double pole breaker, or are there other options?

I know the ground needs to be insulated.
If I use with #10 THHN wire, what size ground do I need (#12 or #10)?

Any advise would be appreciated!

[mdshunk]

You'd need to use a double pole breaker to protect a multiwire circuit or a twist lock receptacle. Either way, you're buying the breaker.

The ground should be #10 for this circuit.

[suemarkp]

If you look at the price of double pole GFCI's, I think you'll want to go with two separate circuits and skip the multiwire idea. The motor is large enough that the circuit is about done with just it. Use #10 copper (all 3 wires) for the motor circuit on a single pole 20A GFCI breaker. You could get by with #12 for the mandatory receptacle circuit. But if you plan to ever plug anything heavy into it (which you may if doing yard work or pressure washing the deck), then I'd run this as #10 also. A normal 20A breaker and GFCI receptacle would be OK for this circuit.

[rgoble1]

I think I'll go with the two seperate circuits. The increase in wire cost is offset with the cost of the double pool GFCI.
Another question, as I went to Home Depot to pick up the 10# wire, all they had was stranded wire, not solid.
I know the bonding needs to be #8 solid, but can I use stranded on the runs? Thx

[suemarkp]

Yes, stranded is fine, and probably easier to pull. You can also use a common green grounding wire for the two circuits. It just has to be sized for the largest ungrounded wire (#10).