What is the "quad tap " ballast?

Answers:
Quad Tap (120/208/240/277V) with one gas bulb MV, HPS, MH
or 5-Tap (120/208/240/277/480V) with one gas bulb MV, HPS, MH
How do you adjust a spring loaded hinge on a door?

I have a pin size hold in the plastic 1 1/2 inch underground sprinkler pipe. Can I fix it?

when you come home at night and your porch light is on and surrounded by bugs what do you do to stop this?

Large inflatable pools.?

When we use faucets or toilet water pipes hum loudly. They stop when tank fills up or faucets are turned off.?

why my ac runs all the time but does not cool.pressures are all ok,coils cleaned,just runs constantly when hot

How do I open a combination lock?

Anyone know how to get biro off of wallpaper? blooming kids!?

How to cut within a elevated foyer when fine art?