Published: 1 June 2011
Category: Q&A
Our Voltimum Experts answer your questions on a daily basis in our Technical Expertise area. This Question of the Day, concerning a socket ring main in a mobile home, is answered by the NICEIC:
Question: What should the MCB for a socket ring main in a mobile home be rated at? Also, what is the relevant legislation that covers this type of installation?
The circuit protection I have at the moment is a 10A type B MCB, and I'm having trouble with this MCB tripping because of overloading. Surely this MCB should be 32A as per a domestic ring main in a house?
Answer: Standard circuit arrangements allow for a 32A MCB to protect a 2.5mm RFC covering 100m2 or less.
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