Alexphd1 Posted September 6, 2019 Share Posted September 6, 2019 This is mainly aimed @Nickfromwales & @ProDave . A friend has a small problem when upgrading their hob. She has changed it from a 5 burner gas hob to single gas burner 5 induction hob with the existing work top being cut bigger (so old hob can't go back) . Hob is on a island with a concrete floor I think we can all see where this is going.... apart from the kitchen guy who supplied the original kitchen and both hobs who has now washed his hands of the problem. The new hob does not have a big enough electrical supply, at the moment she can use the gas and one electrical hob. Only solution I can come up with is replace the 15mm gas pipe with a 10mm copper pipe with PVC coating and sneak in a 6mm electrical cable aswell this is in a 2m long conduit (plastic water pipe). What's the regs view on this? Link to comment Share on other sites More sharing options...
ProDave Posted September 6, 2019 Share Posted September 6, 2019 What size is the existing electric cable? 10mm gas pipe will be okay for a single hob (it is okay for a 4 burner hob) What size is the duct you are hoping to pass this cable through? How are you going to get the old gas pipe out and a new one in? I presume there is a bend at each end? For my 10mm gas pipe I fed it through a round duct with a gentle radius hockey stick and it was hard enough persuading the 10mm pipe that it was "flexible" Link to comment Share on other sites More sharing options...
Alexphd1 Posted September 6, 2019 Author Share Posted September 6, 2019 (edited) I presume the existing supply is just a 2.5 of the rings main for the gas ignitor. Practically its doable as one end of the conduit is the cellar and its straight up into the center of the island no bends. Edited September 6, 2019 by Alexphd1 Link to comment Share on other sites More sharing options...
ProDave Posted September 6, 2019 Share Posted September 6, 2019 Then do it. I would quietly ignore any segregation issues over that short distance. I fitted a 25mm conduit with a 10mm cable to our island, even though it currently only feeds a pop up socket, it is there should we change the gas hob for induction. Link to comment Share on other sites More sharing options...
MikeSharp01 Posted September 6, 2019 Share Posted September 6, 2019 3 hours ago, Alexphd1 said: Practically its doable as one end of the conduit is the cellar and its straight up into the center of the island no bends. drill a new hole straight up? Link to comment Share on other sites More sharing options...
Alexphd1 Posted September 6, 2019 Author Share Posted September 6, 2019 I wish it was that easy. Cellar is under the next room its approx 2m from cellar to island in a solid concrete floor. Link to comment Share on other sites More sharing options...
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