My house uses electric system, 415 volts and 240 volts
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For the low voltage electric system of our local houses use two common voltage levels which are 415 volts and 240 volts. How to check and measure the voltage 415/240 volts?
We can have visual inspection on how many wires of the electric system.
“3 wires” mean 240 volts. The wires is a combination of 1 no. of phase wire, 1 no of neutral wire and 1 no of earth wire. Sometimes, we may call it “single phase”.
“5 wires” are 415 volts. The wires is a combination of 3 nos. of phase wires, 1 no of neutral and 1 no. earth wire.
After the visual inspection, we will use the multimeter to measure the voltage. Switch the multimeter to voltmeter. See the photo, the red circle is voltmeter. Then, put the tip of the red probe and black probe across on two (2) wire terminals. You will read the output in volts.
In conclusion, you have learnt the low voltage system for residential housing, 415/240 volts are common voltage levels, conduct visual inspection and use the voltmeter for measurement.
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