christobree Senior Member Location Lower East Side Rating - 100% 103 0 0 Feb 7, 2007 #1 The Ballast Has A Blue And A Yellow Wire And The Socket Has A Black And A White Wire. Which Wire Connects With Which? Thanks.
The Ballast Has A Blue And A Yellow Wire And The Socket Has A Black And A White Wire. Which Wire Connects With Which? Thanks.
zahner Senior Member Manhattan Reefs Location NYC - 10026 Rating - 100% 11 0 0 Feb 7, 2007 #2 i wired mine Blue + Black and Yellow + White but I don't think it matters either way
cali_reef Fish and Coral Killer Location On the waste coast, again. Rating - 97.3% 36 1 0 Feb 7, 2007 #3 MH bulbs does not have polarity. Either way is fine.