Can I wire a second shower into the existing shower Fuse?

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22 Dec 2004
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Or will I have to fit a seperate fuse to the new shower, and if so will my fuse box take another 30 or 40 amp fuse, I have a 100 amp max box and already have two 30amp RCCB ring main, one 40 amp shower . Other side of box is two 5 amp lights,( 1) 15 amp immersion heater,(1) 15amp freezer., (1) 30amp cooker.
 
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depends on the power rating of the showers and whatever else is connected. however, i would advise againt a second shower. and what do you mean by 'existing shower fuse'? you mean connect 2 shower on one fuse in your CU? if yes, then no. your shower should also be RCD protected.

also, do you have fuses or MCB's? (just b/c you said the shower is on a fuse, but the rings are on a 30A RCCB (which 30A doesnt exist, it should be 32A) and the lights are 5A (indicating a fuse) and 15A for the freezre (indicating a fuse)
 
it does sound like he in confusing mcb and rcd/rccb

btw andrew wylex have definately made B30 breakers tlc are showing a photo of one (though tlcs photos in general seem rather dated)
 

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