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Wylex 100A dp isolators in plastic enclosures.

hertzal123
Just wondered  why these are not classed as "similar switchgear" to consumer units etc which are supposed to be in

non flammable enclosures in domestics.

                                          Regards,Hz
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    I'd suggest that it is because they do not split one source to feed a multitude of smaller circuits, nor contain any MCB or RCD devices. In that sense they have more in common with a shower isolator, albeit better built than the average shower isolator.

    Personally I'd always assumed the 'similar' clause was to stop someone putting a load of fuses and MCBs into a DIY box made of solid rocket fuel, and in effect saying ' that is OK, because it is not an official CU'.
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    I'd suggest that it is because they do not split one source to feed a multitude of smaller circuits, nor contain any MCB or RCD devices. In that sense they have more in common with a shower isolator, albeit better built than the average shower isolator.

    Personally I'd always assumed the 'similar' clause was to stop someone putting a load of fuses and MCBs into a DIY box made of solid rocket fuel, and in effect saying ' that is OK, because it is not an official CU'.
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