Question about Garden
NO you cannot use an 8 Wire to power a 2 bulb, 4 Foot (40 Watts) UNLESS you can configure it to this format below. Each, Output wire should "Drive" one Tube if wired as below, You can drive a 4' from a 8 'or a 6' ballast, but not the converse, the Tube, will only "Draw" as much as it needs. Any unused can simply be taped up and made safe.
A 5 wire ballast, has One IN, and 4 OUT. an 8 way has One IN and 7 OUT. It is NOT the amount of outputs it is the TYPE of Tube the Ballast can "Drive" For every Foot of Tube, that's 10 Watts, so a 4" Tube is 40 Watts, a 6" Tube, 60 Watts, 8" Tube is 80 Watts. That;s what is critical.
As you can see each tube really has only ONE "Hot" wire, and the Neutral, or return, With the other legs of the Tubes "Filaments" are, connected to the "Starter".
Posted on Jul 13, 2010
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Posted on Jan 02, 2017
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