In Box Indicator Light

Discussion in 'Electrical Forum discussion & Blog' started by Fresh, Nov 5, 2007.

  1. Fresh

    Fresh New Member

    Messages:
    4
    I have a three way switch for a hall light. You can't see the hall light from one of the switches. I would like to put an indicator by that light so that you know the outside light is on. Is there such a thing as a light bulb that goes in a switch box?
  2. 480sparky

    480sparky In the Trades

    Messages:
    149
    They are called pilot-light switches.

    Pass & Seymour catalog numbers are:
    15 amp three-way: PS15CA3- Add CPL for a clear light, RPL for red.
    If you need a 20a: PS20AC3-RPL
  3. Fresh

    Fresh New Member

    Messages:
    4
    Thanks. I didn't find the exact Pass & Seymour one yet, but I did find some others by searching for pilot light switch.

    Do they make one that is only a light (doesn't have the switch part)?
  4. 480sparky

    480sparky In the Trades

    Messages:
    149
    P&S #s:

    Red lens: 2151-RED
    Green lens: 2151-GN
    White lens: 2151-W

    More towards your needs?
  5. Fresh

    Fresh New Member

    Messages:
    4
    Yes, thank you! I knew that I had seem it somewhere, but couldn't remember what it was called.
  6. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
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    Location:
    New England
    Sometimes the pilot light requires neutral in the box, which may not be available.
  7. Fresh

    Fresh New Member

    Messages:
    4
    Does it matter what color light I use? i.e. is there some convention that say red only applies to boilers/ green to Christmas trees/ white to refrigerators?
  8. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,948
    Location:
    New England
    whatever turns you on...
  9. kd

    kd New Member

    Messages:
    207
    You will need to be at the 3 way switch that sends the switch leg to the light fixture. If you have enough wires you can rewire your set up to move a sw leg to your box.
  10. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
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    Location:
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    sw leg

    Not really. The pilot light bridges the two travelers, and when either switch is off, one is hot and one is a neutral in series with the light fixture, so either switch can have the pilot light. red means stop, green means go, and yellow means go faster.
  11. Mikey

    Mikey Aspiring Old Fart, EE, computer & networking geek

    Messages:
    2,714
    Location:
    Central Florida
    But if you connect the pilot light betwen the travellers, it will be in series with the fixture when the switches are "off". Thus both the pilot light and the fixture light will be half-on when the switches are in "off", and the pilot light will be off when the fixture light is on. I must be missing something.
  12. jwelectric

    jwelectric Electrical Contractor/Instructor

    Messages:
    2,532
    Location:
    North Carolina

    Must be either pink or purple if used in a hall unless some other color is desired in which case any other color would be acceptacle as long as it is the color that you choose.
  13. jwelectric

    jwelectric Electrical Contractor/Instructor

    Messages:
    2,532
    Location:
    North Carolina
    I think I missed something too. I have been sitting here for hours waiting on this bus.
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