I'm trying to wire two push pull pots in my LP so i can coil split my new pickups and I have a quick question about my diagram vs the actual pot...

The connection in question is circled in this diagram: http://i14.photobucket.com/albums/a333/Enigma00/Untitled-1-3.jpg

Is this lug "A" or lug "B" from this picture: http://i14.photobucket.com/albums/a333/Enigma00/Untitled-2.jpg
Also, where would the ground be on one of these pots?

Finally, can I get some decent wire from say... Radioshack?
Epi Les Paul (SD JB and SD Jazz (Both coil-split))
Ibanez RG Prestige (w/ killswitch)
Schecter C-1 Hellraiser
Valveking 112 (w/ Man O War)
Dunlop Crybaby Wah
Dunlop allas Arbiter Fuzz Face
BOSS DD-3 Delay
BOSS ML-2 MetalCore Distortion
It doesn't matter as long as you wire the other connection on the same pole (each set of 3 contacts is a pole--each push-pull has seperate 2 poles)

The ground is the switch body. The best place on the switch body is the tab by the contacts (top of your photo). That way you run the least risk of melting switch components. Next best would be on the body of the potentiometer (like shown in the Seymour Duncan diagram). With all the switch/pot bodies soldered to black wires (which ultimately are also wired to the bridge and the ring on the output jack, they are all grounded.

I just bought some wire from Radio Shack for my current project (converting an SSS Strat into an HH strat with the S-1 switching system). 22 gauge stranded wire. It's not audiophile silver wire, but I doubt anyone can really hear the difference.

It'll be interesting to see if anyone has other opinions and how they can back them up.