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An electrician I recently got a bid from made a number of recommendations involving installing what he called "Four-Oh" lights. I wasn't sure I was hearing him right, so had him spell it out. He told me there are great fixtures which are labelled "4/0" and that, with LED bulbs in them, they would work well for some of the lighting projects we discussed.

So, while out at the home improvement centers for other things, I took a peek in the light fixture aisle to see these 4/0 lights, but I did not see anything labeled that way. The Internet shows nothing, either. Has anyone else heard of these, or have I been sent on a snipe hunt?

  • @isherwood - Indeed; I noted this in my question, but I was hoping maybe I just have the search string wrong and someone might be able to tell me how to correctly type it. – bubbleking Feb 22 '16 at 0:47
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    @isherwood - I think he might have been talking about something like this, which fits in a 4/0 octagonal junction box: amazon.com/Commercial-Electric-Recessed-White-Light/dp/… – bubbleking Feb 22 '16 at 0:54
  • Interesting. Recessed lighting without cans. Does that fit the context of your discussion? – isherwood Feb 22 '16 at 0:56
  • @isherwood - I think it does. I can't say for sure because he was making recommendations against my idea which involved using some LED strips in a closet. He said these would give a more pleasing effect. – bubbleking Feb 22 '16 at 1:00
  • Back in the day, the 4" octagon boxes were called "four-oh" boxes. So, apparently he was talking about LED fixtures that fit into these boxes. – ArchonOSX Feb 22 '16 at 15:14
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"4O light" or "4/O light" appears to be jargon for a light fixture that can be mounted in a 4/O octagonal junction box.

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