Par-38 or LU150

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fauxfly

Member
Maybe you guys can help...Can I change a Par-38 HPS bulb out with a LU150 bulb. Both bulbs are HPS, both bulbs are 150 watt. Both medium based.

Any thoughts

Steve
 

peter d

Senior Member
Location
New England
The lamp must always be matched to the ballast designation. If it does, you are good to go. If they are both 150 watt you are probably fine but I would double check anyway.
 

Dennis Alwon

Moderator
Staff member
Location
Chapel Hill, NC
Occupation
Electrical Contractor
There could be a potential problem in that a par bulb is a reflector bulb and the LU is not. The fixture may not do well or be designed to work with an LU bulb simply because of the way heat could be trapped in the fixture.

I would be careful with this and see if the fixture lists bulb types.
 
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