In respect of a commercial oven on a 3 phase supply. The location of the socket is not ideal for the location of the oven. Would using an extension lead be a NO NO? The current looks too big??
If a longer cable can be dressed appropriately (so it isn't a trip hazard, isn't getting heated etc etc) then you can fit a longer cable to the oven (so you maintain interlocking as above). There are plenty of flexible options (the flex armoured is probably best for a kitchen)
Is that just your opinion/judgement? or is there a regulation requiring interlocking in such cases? I can't really see how an extension on an oven is any worse than all the cables you see around a typical event site.
Also, while not the norm, Lewden apprently make inline sockets with an interlocked rotary switch.
Thank you for all your help. Actually, we've decided to leave the socket where it is, and locate the oven near the socket (we'll just re-arrange the kitchen a bit). The RED socket says 32-6h 3p-N+Earth IP44 200/346V, 240/415V. I've checked the CU and it's on a 32A breaker. Am I right in thinking that 15.5kW takes a load of (15500/(3*230) = 22.5A) and the socket is also sufficient, and therefore I'm good to go?
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