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star MCB - For Testing
star Relay - Power Failure Manual Reconnection System
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star Cambridge Audio
CA 351C
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star AudioQuest USB A-B Forest 1.5m
star B&W 685 S2 speaker
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MCB - For Testing


I will use this MCB Box for testing my projects in order to preventing my home's MCB from tripping.

For my home, the Overload tripping is 20A.

For this MCB, the Overload tripping is 10A.

Moreover, there is a RCBO rated at C16 for the protection of Electricity leakage.

MCB wiring Wiring starts ...
The A.C. 220V go through the RCBO first, then the MCB.
The two MCBs are not in use.They are the Feet of the Volatage & Ampere Meter.
The LIVE wire has to pass through the sensor of the Ampere Meter.
The Voltage & Ampere Meter needs 220V A.C. power.
The 2 MCBs become the feet of the Voltage & Ampere Meter.
MCB with Voltage & Ampere Meter

Before switching on the MCB, please check the connectivity of the wires ... ...

Live to Live ?

Neutral to Neutral ?

Earthing is O.K. ???

Finish ... ...
RCBO testing