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Home Made R.C.D. tester.

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Fred down the pub said that I can save money by not using a qualified sparks to test my R.C.Ds. He said that I can make my own R.C.D. tester. Is it safe? 

How to make RCCB tester at Home - YouTube


Z.
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  • 0
    Agreed.

    To "TEST" a 30mA RCD then a suitable resistor must be chosen to draw 30mA at voltage supply.

    Example 8K2 resistor would give 29.27mA at 240v. (7W resistor rating).

    Of course you would not know the time taken for the trip to occour but it would work in RCD TEST BUTTON fashion.

    Adequate fusing required and how do you mitigate a non trip prior to disconnection?

    It`s a good example of "Don`t try this at home"
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  • 0
    Agreed.

    To "TEST" a 30mA RCD then a suitable resistor must be chosen to draw 30mA at voltage supply.

    Example 8K2 resistor would give 29.27mA at 240v. (7W resistor rating).

    Of course you would not know the time taken for the trip to occour but it would work in RCD TEST BUTTON fashion.

    Adequate fusing required and how do you mitigate a non trip prior to disconnection?

    It`s a good example of "Don`t try this at home"
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