so i just bought a new ballast kit and bulb. it is decribed as HPS-400-5TAP - 400W HPS Ballast Kit 5-Tap S51 . any way what is the 5 tap mean?? im thinking its the voltage where you can switch up the volts to 120 to 220....i could be wrong.
thats what i thought it was. i got it new for like 69 bucks (usd). my bulb i got a really good deal on as well. got a phillips cramilux bulb for $10 usd the only thinhg is i have to wire it up.