ballast wiring

[mark]

Originally Posted by whiteice669

am looking to use 220 for mh lighting and 110 for pumps and heaters, not enough 110 in that end of house

Still trying to visualize your layout.

If you have you have 220 (240) you have 110 (120). How are you going to tap into the 240V? If it an unused 240v recepticle, you can easliy split/convert it to 2x120v (like done for kitchen plugs)