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Trailer electrical/storage box done, lights work

Discussion in 'Electronic Design' started by Ignoramus31248, Feb 10, 2007.

  1. Followup to my electrical box questions.

    http://igor.chudov.com/projects/Homemade-Trailer-With-M105A2-Bed/08-Trailer-Electrical-Box/

    I painted it Army Green and attached to trailer with 1/4" bolts.

    Inside, there is wiring for LED signals, lights, brakes etc. There is
    also a breakaway brake actuator by TAP, also in the box. I have yet to
    install a brake controller it my truck (brake controller is not the
    same as breakaway actuator).

    I put an envelope with most of trailer related receipts, into the
    shelf above the electricals, in case if police stops me and asks
    (unlikely but possible due to professional appearance of the bed).

    One thing I have left to do is to put each LED on a 0.25A fuse. I do
    not yet have inline fuseholders.

    The lights already have been found to work correctly. That means that
    I can drive this trailer legally. (brakes are required for certain GVW
    above the empty weight of this trailer)

    Spending time under the trailer at 5F is not very fun.

    i
     
  2. Nick Mueller

    Nick Mueller Guest

    This is a big chance to start THREE new threads with your triviata.


    Nick
     
  3. Pete C.

    Pete C. Guest

    I have never, ever seen a normal T1 3/4 LED fused before. LEDs cost less
    than the dang fuse and holder. If they fail they explode and open the
    circuit just like the fuse would. In addition, a .25A aka 250mA fuse
    won't blow before the LED explodes and the series resistor limits the
    available current anyway.

    Pete C.
     
  4. Guest

    Ig,

    Are you gonna put an electric beer cooler in it, also?

    Wolfgang
     
  5. I am more concerned about accidental shorts, than with protecting
    LED.

    i
     
  6. That's a great idea!

    i
     
  7. John Husvar

    John Husvar Guest

    "It has a rubber seal and lockable locking handle. It is waterproof
    (weatherproof)."

    Was. :)

    Bringing the wiring out through ordinary box connectors took care of
    that, even if you filled around the wires with silicone seal or somesuch.

    You might want to look around for sealed connectors. They have a rubber
    grommet that compresses around the cable. Hubbell used to make nice
    ones, though pricey.

    It's amazing how much road spray will get into supposedly watertight
    boxes through such small openings.

    Still, nice neat box. Only thing you're lacking are enclosure heaters to
    keep the condensation down. :)
     
  8. Pete C.

    Pete C. Guest

    A single fuse in the common ground line to the LED assembly will provide
    that protection.
     
  9. I have a 30w control box heater. Maybe I will use it. I will see how
    bad road spray problem is, practically speaking. After all I can just
    wipe the inside of the box after some bad trailer trips.

    i
     
  10. Gunner

    Gunner Guest

    Try it at 110F..on asphalt..

    gunner

    Political Correctness

    A doctrine fostered by a delusional, illogical liberal minority and
    rabidly promoted by an unscrupulous mainstream media,
    which holds forth the proposition that it is entirely possible
    to pick up a turd by the clean end.
     
  11. You got me Gunner... I think that I would prefer 5F. At least, at 5F I
    can warm myself with a heat gun...

    i
     
  12. Gunner

    Gunner Guest


    Good scarf, carhart coveralls and a chook (cap) with some decent gloves
    and you are golden. When laying on the asphalt..you pray for shade or
    work at night.

    Gunner

    Political Correctness

    A doctrine fostered by a delusional, illogical liberal minority and
    rabidly promoted by an unscrupulous mainstream media,
    which holds forth the proposition that it is entirely possible
    to pick up a turd by the clean end.
     
  13. ehsjr

    ehsjr Guest

    I'll help drink the beer.

    Ed
     
  14. Dave Hinz

    Dave Hinz Guest

    Igor has good taste in beer; you have chosen wisely.
     
  15. I am glad that you liked it. I hope to you again one day.

    i
     
  16. Rich Grise

    Rich Grise Guest

    Never, ever fuse a ground. Put the fuse in the +12 supply line.

    Thanks,
    Rich
     
  17. Fusing ground is not practical for me (everything is grounded to
    case), so I will put fuses in input lines.

    Got my registration papers in today.

    i
     
  18. joseph2k

    joseph2k Guest

    In the mean time you should wipe it down after every trip until you lern how
    to judge which ones are bad.
     
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