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Lost Electrical Skills. Rough Justice.

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I went to give an estimate today. Fuse board renewal. A holiday chalet. Some family members had stayed, aged early 20s. A rewireable fuse had previously blown on a lighting circuit. The young guests had no idea how to replace the fuse wire even though  a new fuse wire card was there.


 I am feeling very old. I am listening to Bananarama's "Rough Justice," 12 inch version, 1984.

It still sounds good on vinyl.


Fuse wire is dead....long live fuse wire.


Oh, to be young again.


Z.




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  • 0
    mapj1:
    .. lights rated at 160 volts, 75 watts. .. three strings to total about 75 watts. 

    The purpose of these is left to the reader.


    Well all 3 in series would suit a radial display if you had a split phase supply (480 between "phases") or just between normal phases if you wanted the lights to last longer.

    Or maybe you used them in series with some other load like a florry tube,  or to charge batteries perhaps, or to provide a light dimming function. There are a number of options. Not least is that for some odd reason you had a 160V supply.?

    Mike.




    Yes, used in series with a 4 foot 40 watt fluorescent tube. A local shop had a number of twin four foot fluorescent fittings that contained no chokes. Each tube was in series with a special  bulb of 160 volts 75 watts.

    They wanted to connect Christmas lights to these fittings instead of the special bulbs, so I made several strings of Christmas lights each of which was 160 volts at 72 watts, close enough and worked fine.


    AFAIK the special ballast lamps are no longer available. Philips listed them into the 1980s I think.


Reply
  • 0
    mapj1:
    .. lights rated at 160 volts, 75 watts. .. three strings to total about 75 watts. 

    The purpose of these is left to the reader.


    Well all 3 in series would suit a radial display if you had a split phase supply (480 between "phases") or just between normal phases if you wanted the lights to last longer.

    Or maybe you used them in series with some other load like a florry tube,  or to charge batteries perhaps, or to provide a light dimming function. There are a number of options. Not least is that for some odd reason you had a 160V supply.?

    Mike.




    Yes, used in series with a 4 foot 40 watt fluorescent tube. A local shop had a number of twin four foot fluorescent fittings that contained no chokes. Each tube was in series with a special  bulb of 160 volts 75 watts.

    They wanted to connect Christmas lights to these fittings instead of the special bulbs, so I made several strings of Christmas lights each of which was 160 volts at 72 watts, close enough and worked fine.


    AFAIK the special ballast lamps are no longer available. Philips listed them into the 1980s I think.


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