Victorian Electrical Inspectors
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13 Glass Street Kew 3102, 31 Tyne Street Box Hill North
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07/06/2026
Hi there TTA electrical inspectors.
Did you know that DIN rail socket outlets are a switched socket outlet. Yes, the active and neutral conductors are switched as you insert a 3 pin plug into the socket outlet.
Also, as you insert the 3 pin socket outlet you switch a neon indicator into the circuit. However, when testing the socket outlet without power, there is a 20 Meg Ohm resistor connected in series with the neon indicator lamp.
So, when testing for your safe approach assessment, you will find a 20 Meg Ohm test result between active and neutral terminals. This is not a fault.
05/06/2026
Hi there TTA Electrical Inspectors.
Did you know that Neutral conductors must have the same current carrying capacity as the associated active conductor.
Wiring Rule 3.5.2 (a) (i)
So, if you have a socket outlet, in a construction switchboard, wired in building wire, the active and neutral conductors must be the same size.
Watch out for this technical/visual defect in the safe approach assessment.
Sometimes this is hard to see in a dark switchboard enclosure with black neutral conductors.
So, TTA inspectors have a good look.
05/06/2026
Hi there TTA Inspectors.
When visually inspecting an earth electrode disconnect tag, have a look at the wording on the tag. It might not say,
WARNING:
MAIN EARTHING CONDUCTOR-DO NOT DISCONNECT
Wiring Rule 5.5.1.3
Attention to detail is a must in the safe approach assessment.
Have a good look!
The tag, might say, ‘warning electric shock hazard’
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