10 Questions
Trunking is generally rectangular in shape with a fixed lid.
False
Steel trunking does not come with accessories like bends, tees, risers, and reducers.
False
Mechanical connectors are used for insulation resistance testing in electrical installations.
False
Testing of polarity is one of the reasons for testing a new electrical installation before connecting it to the supply.
True
The purpose of a new electrical installation test is to locate the exact position of breakdowns.
True
Insulation resistance test between conductors is not necessary when testing a new electrical installation.
False
Earth resistance test is carried out to ensure there are no faults in the electrical installation.
True
Trunking is used when only a small number of conductors need to be carried.
False
Testing completed wiring is optional before connection to the power supply.
False
Insulation resistance test between installation and earth is not required in electrical installation testing procedures.
False
Learn about the importance of insulation resistance testing for wiring conductors, including the minimum required value and what to do if it is not met. Understand the procedure for ensuring insulation integrity between cables or wires.
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