Recent content by gashmore

  1. G

    Bussman NON-35 fuse fire?

    Tenant reported that his fuse box caught fire. I found this stove circuit pullout. This unit was built in the 60s wired in aluminum but I found no corrosion and no indication of foil or other foreign material in the box.. The fuses are Bussman NON-35 Amp. Probably the original fuse from the...
  2. 16626495818932274062019981283442.jpg

    16626495818932274062019981283442.jpg

    • gashmore
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  3. G

    complex voltage drop question

    Bought a set of 4 12v to 24v LED fixtures to test. Circuitry is encased in potting compound in the bottom of the housing. On the test bench, powered by a variable voltage DC bench power supply and a LUX meter the LED output was a steady 200 LUX at 6" on axis throughout a voltage range of 12.2 to...
  4. G

    complex voltage drop question

    Think it is time to prototype. Ordered a few samples of 12v-24v lamps. One dedicated to a surgical examination and the others measured under various power conditions. Thanks to all. Will report back my findings.
  5. G

    complex voltage drop question

    That's what I am looking at now. It seems that most of these 12V nominal LED landscape lamps have internal power regulation that can accept 12 to 24V DC or AC which eliminates wiring in series but does open up some possibilities for the 3 wire solution. What about running some 12/3 for the...
  6. G

    complex voltage drop question

    Having restored a 70 year old Hammerlund receiver, I understand the problem of electrolytics. Traco is hard to find this side of the pond but found a couple of similar converters. Marine grade wire and potting compound should make a solid package. Running at less than 20% of capacity heat...
  7. G

    complex voltage drop question

    I believe I will go with sealed 36 to 12V buck converters used on golf carts. They come with breakers. This whole installation being only about 24 inches above a salt marsh so everything has to be very well sealed. Even with the buck converters and gel filled connectors the price came out...
  8. G

    complex voltage drop question

    I believe the buck converter is the way to go. I just found out what a #8 T-tap costs! :0 Thanks! You saved me a bunch of money and heart ache!
  9. G

    complex voltage drop question

    So in effect you are feeding from both ends. I can see how the increasing length and decreasing wattage on the supply side would be compensated by the reducing length and increasing wattage on the return would even out the voltage but what that does is add 420 of wire carrying the full 72...
  10. G

    complex voltage drop question

    The project: Install 12VDC 3 Watt Low voltage LED pathway lights, one every 20', along a 420' boardwalk through a mangrove forest. There are 24 lights and to minimize taps in the main line they will be installed in groups of 3 with one light at the tap, one light 20 feet behind and one 20 feet...
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