changing a t12 ballast to t8


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Old 10-04-13, 10:18 AM
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changing a t12 ballast to t8

here's what i have for a ballast "icn-4p32-sc" i want to use these in 2 bulb fixtures in my garage. i know these are for 4 bulb or 3 bulb applications. could i just use the reds or the blue wires along with t8 bulbs to get them to work? i know it will probibly shorten the life of one or both the ballast and bulbs.
 
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Old 10-04-13, 12:51 PM
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Welcome to the forums!

here's what i have for a ballast "icn-4p32-sc" i want to use these in 2 bulb fixtures in my garage. i know these are for 4 bulb or 3 bulb applications. could i just use the reds or the blue wires along with t8 bulbs to get them to work?
AFAIK, no. Ballasts have to be matched to the number of tubes they're supplying.

Others may know more.
 
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Old 10-04-13, 04:17 PM
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You can use less tubes then it's designed for but it will burn the tubes up faster.


I did a whole office with four tube ballasts in four tube fixtures. The employees were screaming at the amount of light so now they only have three tubes in them. I haven't any ballast issues but the lamps do get blacker quicker.
 
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Old 10-08-13, 04:22 AM
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Thanks, worked like a champ. I used 2-reds and 1-yellow on 1 bulb, and 2-blues with the other yellow on the other bulb. the lights seem brighter than normal thou i'm sure thay won't last as long.
 
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Old 10-08-13, 05:59 AM
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T-8 are always brighter then T-12 even with the correct ballast.
 
 

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