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#37214 - 04/23/04 09:42 AM Metal Halide Bulb Type  
AutomationMan  Offline
Junior Member
Joined: Apr 2004
Posts: 5
Sumner, Texas USA
Thanks to the help from this forum I have my shop light fixtures wired hung and ready for bulbs. The fixtures are acrylic reflectors with glass lenses, 400W, High bay. I got them on the cheap in almost like new condition, but without lamps.

Do I need to be picky about the particular lamp type that I use in these fixtures? There are many different bulbs available. Are there any serious differences in bulbs such that I need to be careful in selecting them?

Also, these are pulse start lights. What happens if I don't use pulse start bulbs. If these are making too much light, can I simply put 250Watt bulbs with the same transformer/starter system?

I'm enjoying your website, especially the photos. It's really unbelievable what some people will do. My favorite was the transformer "mounted" with rope.

Thanks for all your help,

[This message has been edited by AutomationMan (edited 04-23-2004).]


Doc

Work Gear for Electricians and the Trades

#37215 - 04/23/04 03:15 PM Re: Metal Halide Bulb Type  
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
Yes you have to be picky, no you can not use 250 watt lamps on 400 watt ballasts.

I like to get the lamps by the ASNSI number, which I believe will be a "M-59" for a standard 400 watt MH lamp

A quick search at Graingers found 39 M59 lamps ranging in price from $20 to $120.

I would suggest you go to www.grainger.com once there type M59 lamp in the search field.

Then you can see all the different options, even if you do not buy from there you can see what is available.

Bob


Bob Badger
Construction & Maintenance Electrician
Massachusetts

#37216 - 04/23/04 04:20 PM Re: Metal Halide Bulb Type  
AutomationMan  Offline
Junior Member
Joined: Apr 2004
Posts: 5
Sumner, Texas USA
Bob,

Thanks very much for the reply. I'm a little embarrassed that I put you to this trouble. I did some other surfing and found out that it is M59 bulb type that matches my M135 ballast type.

I should have pursued it harder before bothering the buisy folks here. Your help is greatly appreciated.

If I can return the favor, please let me know. PLC questions maybe?

Thanks again,
Doc


Doc


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