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Domestic wiring fittings, screw heads

Is there a reason why all conventional domestic electrical wiring fittings use exclusively slotted screw heads, rather than the much more practical Phillips or Pozidrive heads? Don't tell me that electricians can only carry one screwdriver?
Parents
  • When I was a kid I could never find a spanner that really fitted nuts on my bike, there were the pressed steel spanners, but they still didn’t quite work.


    Life is actually a lot easier now with a small selection of spanner’s fitting most nuts, unlike back in the days of British Standard Cycle  and other threads that are no longer used, apart from by the Chinese.
Reply
  • When I was a kid I could never find a spanner that really fitted nuts on my bike, there were the pressed steel spanners, but they still didn’t quite work.


    Life is actually a lot easier now with a small selection of spanner’s fitting most nuts, unlike back in the days of British Standard Cycle  and other threads that are no longer used, apart from by the Chinese.
Children
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