Metal halide question

[PetrosA]

If I wanted to replace a 175W MH lamp with a lower wattage lamp, two questions come to mind.

1) Will a fixture rated for a 175W lamp work with a lower wattage lamp?

2) Will there be any savings in usage or will the ballast use the same amount of power regardless of lamp wattage?

 

[cdcengineer]

You will most likely need a different ballast. Can't typically unscrew a mogul base 250W and replace w/ a 175W.

 

[jumper]

You will most likely need a different ballast. Can't typically unscrew a mogul base 250W and replace w/ a 175W.

Yep.