September 29, 2018
Hello I am currently looking at making a longer braided or shielded power cable, a few years ago I made a one meter extension lead to run under the bed.
All I could get at the time was 3*1.5 mm2 wire that made the overall cable diameter at about 12 mm. The aim was to cut down on Electrical field & Magnetic field during sleep, now I have realized the cable would also cut down on radiating “Dirty Electricity” (I did not know about at the time of making the lead)
I tried to get the smallest diameter cable I could purchase since the most current would be less than 10 Amperes, the lead was the most horrible power extension lead I have ever made, it took about half a hour longer than the standard electrical power lead, I had to ream out the cable entry for the male socket. Then I could not connect the earth wire and the screen wire at the female plug. I had to join a extra wire with the lead earth wire and connect it to the screen or braid outside the female plug and cover it with heat-shrink tubing.
By the way: the shield or braid wire has to be connected to the earth or else the cost & time to make the lead is wasted, as there would not be any benefit in the lead. The screen wire only needs to be connected to the earth once since it is not made and should not carry any appliance current. I think it is best to connect the shield to the female plug end of the lead. I was told by the cable supplier that a electrician wired up his whole home using braided or shielded power cable.
It seems to be 1.5 mm2 (area) (or 16 AWG) conducting wire can carry 15 Amps while 1 mm2 ( 17AWG) can carry 10 Amps.
Since cancer is going rampart. I think it would be good if braided or shielded power extension leads was more freely available, especially for bedrooms.
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