Published: 22 December 2009
Category: Q&A
Our Voltimum Experts answer your questions on a daily basis in our Technical Expertise area. This one, concerning, an existing oven and electric circuit, and the protection required, is answered by SELECT:
Question: We have been asked to connect up a new double oven, which requires a 32A supply. The existing oven is a single oven type and is connected to the existing 32A cooker circuit (6mm) through a fused outlet, which we intend to change for a non-fused cooker outlet.
Do we have to change the existing MCB to an RCBO, or can the circuit be left as it is, with only the outlet needing to be changed?
Answer: BS 7671: 2008 (the 17th Edition) applies to any new circuitry installed. Therefore there is no requirement to upgrade the circuit protection to include an RCD, provided that the existing circuit conditions are satisfactory in terms of being able to achieve automatic disconnection in the required disconnection time.
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www.voltimum.co.uk/consult.php?universe=consult.index.questions