wiring a hob

Hi I'm upgrading my oven and hob and am looking for confirmation on my calculations. Currently it is 6mm2 wiring through the isolation switch with a 5A socket included. Outlet just under 14m from consumer unit, B40 MCB & RCD, cable running through ceiling void (some with glass fibre...

We bought a hob to replace the old one, and got a B&Q halogen hob. These come pre wired with 4mm 5 wire configuration. At the plug/socket end Two connected live's, two connected neutral's and 1 earth. Not knowing this, thinking would be three pin plug arrangement. I'm stumped a little. Looking...