An old fluorescent lamp or an aging bad ballast.
One lamp t12 ballast.
Dim light or low lumen output is almost always the cause of one of two things.
Fluorescent lamps almost always experience color variation and fading.
Original ballast power fed from tombstones on one end of fixture single red and blue ballast connections connected to plunger end lamp holder read more.
Ge 2 bulb commercial electronic fluorescent light ballast.
Touch the remaining probe to the ends of the blue red and yellow wires leading from the ballast.
The common yellow wires are capped with small wire connectors.
Ge ultrastart proline electronic ballast 120 277 volt program rapid start ballast normal ballast factor ballast for fluorescent light 1 or 2 lamp t12 4 6 out of 5 stars 61 19 37 19.
Replacing ballast for f96 t12 2 single pin lamp fixtures.
So at different stages of the lamp s life different light levels will be produced.
But if you re seeing dark.
Amazon s choice for t12 ballast 1 lamp ge lighting 74472 ge240rs mv n 120 277 volt multi volt proline electronic fluorescent t12 programmed rapid start ballast 2 or 1 f40 or f34t12 lamps 4 4 out of 5 stars 25.
Ge ultrastart proline electronic ballast 120 277 volt program rapid start ballast normal ballast factor ballast for fluorescent light 1 or 2 lamp t12 4 6 out of 5 stars 72 16 45.
So i bought 2 ge proline t12 ballast for 2 f96t12 this one had a black and white wire when in doubt read the wiring diagram on the ballast wiring diagrams ge survivor t12 ho fluorescent all weather sign ballasts figure 4 figure 5 figure 6 figure 7 figure 8 figure 9.
After 1 lamp rapid start ballast is replaced with a 2 lamp rapid start ballast the ballast blue wires connect to one end of the lamp the red wires connect to the other side.
Ge mvp t12 ballasts have the same wiring and mounting requirements as.