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when wiring a spur from a 32 amp ring main do i use 2.5mm or 4mm cable? surely if i used 2.5mm then plugged in two 3kw items, asuming the spur is a 2 gang socket,this would overload the cable? If i used 4 mm cable then could i have two, 2 gang sockets? Thanks James

Hi all A spur taken of the 32 amp ring main, does it have to be 2.5mm or 4mm cable? Surely if you use 2.5mm, then plug 2 things rated 3kw in to the spur, asuming your spur is a 2 gang you will over load the cable. If you use 4mm cable then could you have two, 2 gang sockets? Thanks James

Hi all, I am about to build a small porch on to the back of my house, 2m x1.3. I intent to build a brick plinth, about 4 -5 bricks high, then black weather board. The plinth will only be one brick wide, to maximize the interinal space. Please where do I place the DPM, under floor leavel...