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RCD Testing Frequency

Mark Fleming

Hi All,

Where an RCD is contained within a piece of electrical equipment such as an EV charger, is it still a requirement to test the RCD every 6 months in line with BS 7671 or are the intervals now the decision of the manufacturer of the piece of equipment containing the device?

Regards

Mark

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    The best resource is the IET Guidance Note Three Table 2.17 page 96, ultimately though for verification we only do a X1 Type AC test at 0 and 180 degrees then record the highest test result, utter regardless of what type of RCD it is.

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    The best resource is the IET Guidance Note Three Table 2.17 page 96, ultimately though for verification we only do a X1 Type AC test at 0 and 180 degrees then record the highest test result, utter regardless of what type of RCD it is.

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