just wondered if anyone can find this one as i couldn`t
A single phase ac installation from a lighting db contains a common conduit with 8 single core cables the grouping factor to be applied is
a 0.59
b 0.65
c 0.75
d 0.8
may be i was rushing but could not find one of these in...
TONY JONES
Thread
17th
17th edition
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Hi,
two questions really. i think the answer to the 1st one is no but ill ask anyway.
1. Is it possible to get a installation tester that you can use to PAT test. i know most installation testers use 100mA earth test current. thats would only be suitable for IT appliances, right?
2. has...
1) Step-up and Step-down transformers are used to change voltage and?
a) current
b) resistance
c) power
d) all of the above
2) Long-distance transmission of electricity requires?
a) high current, low voltage, and low resistance
b) low current, high voltage, and...
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