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Re: [APD] One bulb on a two bulb ballast

S. Hieber wrote:
> If the balast does not require the bulbs to be wired in
> series, then it should not matter. But it's best to check
> with the wiring diagrams if they are avaialble from the
> ballast manufacturer.

Very true. Good point. If you aren't familiar with what it means to be 
wired in series (original poster), you can just check to see if there is 
a wire going from one lamp socket to the other. In general, if it is not 
wired in series, each lamp will have a separate set of wires to the 
ballast and none connecting each other.

So, in conclusion:

1) If there is a wire running from one lamp socket to the other, then it 
might be bad to run only one light.

2) If there is not a wire between lamp sockets, and each socket has its 
own exclusive set of wires running to the ballast, then it's probably OK.


Jerry Baker
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Aquatic-Plants at actwin_com