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RCD types

Farmboy
Regarding RCD types, AC, A, F, etc. Do these classification/types apply only to RCD's installed in CU's/DB's, or to RCD's incorporated in RCD sockets and fused connection units as well? A manufacturer is getting back to me about their products later in the week, and I'd like to have something to compare their answer to.


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    AJJewsbury:

    As the type (AC, A, B, etc) describes the type of residual waveform the RCD will recognise (and/or be disabled by) then logically they apply to all types of RCD (although conceivably other standards may describe the same thing differently).


    But given that the 18th Ed seems not to recognise RCD sockets and RCD FCUs (to BS 7288) any more (only BS EN 61008 series, BS EN 61009 series and BS EN 62423 are listed as acceptable, at least in installations used by ordinary persons) then it might be a mute question anyway.


      -  Andy.




    ...logically they apply to all types of RCD... Quite so, which is why I was bemused when the manufacturers tech dept told me that as far as they were aware, the types only apply to RCD's in CU's/DB's.


    ...the 18th Ed seems not to recognise RCD sockets and RCD FCUs (to BS 7288) any more... Which is why I asked them why they state in their advertising that their new range of units 'Conforms to BS7288:2016, BS1363-2, and meets latest Wiring Regulations'.


    F

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  • 0

    AJJewsbury:

    As the type (AC, A, B, etc) describes the type of residual waveform the RCD will recognise (and/or be disabled by) then logically they apply to all types of RCD (although conceivably other standards may describe the same thing differently).


    But given that the 18th Ed seems not to recognise RCD sockets and RCD FCUs (to BS 7288) any more (only BS EN 61008 series, BS EN 61009 series and BS EN 62423 are listed as acceptable, at least in installations used by ordinary persons) then it might be a mute question anyway.


      -  Andy.




    ...logically they apply to all types of RCD... Quite so, which is why I was bemused when the manufacturers tech dept told me that as far as they were aware, the types only apply to RCD's in CU's/DB's.


    ...the 18th Ed seems not to recognise RCD sockets and RCD FCUs (to BS 7288) any more... Which is why I asked them why they state in their advertising that their new range of units 'Conforms to BS7288:2016, BS1363-2, and meets latest Wiring Regulations'.


    F

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