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petespieces · 16th February 2014, 21:38

I have an induction hob which I am connecting to two phases of my three phase supply.

The unit has five wires, two live, two neutral and one earth.

As per the installation diagram I will be connecting the two neutrals together at the unit.

The question I have is does the neutral from the fuse box need to be (approx) twice the size of one phase, for instance if the phases are 2.5mm should the neutral be 6mm.

I think the answer is no, 2.5 the same as the phases but need to be sure.

I have rewired the whole house and balanced the three phases so I'm quite OK handling the system (passed by EDF), just this one thing I need to know.

Thanks

Pete

16th February 2014, 21:38	#1
petespieces Gets stuck in Rover 75 Saloon 1.8 auto Join Date: Mar 2012 Location: Le Theil de Bretagne (France) Posts: 661 Thanks: 36 Thanked 37 Times in 29 Posts	Any sparky's on here, need advice. I have an induction hob which I am connecting to two phases of my three phase supply. The unit has five wires, two live, two neutral and one earth. As per the installation diagram I will be connecting the two neutrals together at the unit. The question I have is does the neutral from the fuse box need to be (approx) twice the size of one phase, for instance if the phases are 2.5mm should the neutral be 6mm. I think the answer is no, 2.5 the same as the phases but need to be sure. I have rewired the whole house and balanced the three phases so I'm quite OK handling the system (passed by EDF), just this one thing I need to know. Thanks Pete Last edited by petespieces; 16th February 2014 at 21:41..