Which of the following would not be acceptable for performing an insulation resistance test?

a) digital multifunctional meter

b) digital multimeter

c) analogue insultaion resistance tester

d) digital insulation resistance tester

 which of the following would cause a loss of supply to an insulation

a) high resistance joint on a lighting circuit

b) short circuit on a shower circuit

c) substation fault

d) incorrect polarity

if equipment plugged into a socket outlet is not working,which of the following is the likely cause?

a) one of the line conductors has become loose

b) a faulty switch on the socket outlet

c) an earth leakage

d) loose earth conductor

 why should you always check that the neutral conductor is dead when performing the safe isolation procedure on a lighting circuit

a) there will still be 115v across the neutral if the line is disconnected

b) the circuit will still have a connection to the general mass of the earth

c) the neutral is never isolated,only the line conductor

d) the circuit may have a borrowed netural