Recessed lights burning out

Discussion in 'Electrical Forum discussion & Blog' started by tlarson, Oct 28, 2008.

  1. tlarson

    tlarson Member

    Messages:
    33
    Location:
    Oregon
    My daylite basement has nine Juno 6" cans on one three way circuit. I have never been able to get decent life from any type of lamp that I've used. Both standard lamps and Halogens burn out after only very short usage. They are IC rated cans, but there is no insulation in the joist space. Similar cans on the main floor work just fine, with decent lamp life. Right now I've put plain 60W bulbs in and nothing has failed in the last couple of weeks, but they look terrible. Any ideas?
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,323
    Location:
    New England
    Similar is not the same...somewhere in the fixture is usually a sticker indicating what are the acceptable bulbs. Are you using one that is acceptable?

    An IC rated box usually has a thermostat in it that will shut the thing down if it gets too hot. If they're defective, the opening and closing would be like you sitting flicking the switch on and off for an extended time - that can cause a bulb to fail quickly. Same thing about the switch on the wall, if there's a loose connection somewhere either at the switch or somewhere in the string supplying power. If they're all on the same breaker...could be the breaker, or the screw attaching the power leads to it or the neutral bar.

    I'd look for a loose connection either at the switch or the supply if the bulbs you are using are on the accepted list.
  3. jimbo

    jimbo Plumber

    Messages:
    8,997
    Location:
    San Diego
    Your can is probably rated for 60W max. Higher wattage will overheat the bulb and the fixture. If you are using an appropriate bulb like a 60 or 40 watt R30 or R40, they should last longer than that.
  4. Bill Arden

    Bill Arden Computer Programmer

    Messages:
    584
    Location:
    MN, USA
    I've got IC cans and use 60 watt equiv CF bulbs. (13 watt real)

    The CF lights don't last as long in a can, but they do work for a couple years.

    PS: I just got my first LED light :)
    It's a 7 watt Par20 light and even though it's only 200 lumen's, it's actually about the same amount of light since the CF bulbs I am using aren't set up with reflectors.
  5. Thatguy

    Thatguy Homeowner

    Messages:
    1,459
    Location:
    MD
    People stomping around on the floor above. . .?
    Higher than normal voltage. . .?
  6. Chris75

    Chris75 Electrician

    Messages:
    608
    Location:
    Litchfield, CT
    Id say its cheap lamps myself. try a different brand lamp.
    Last edited: Oct 29, 2008
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