Published: 20 August 2013
Category: Q&A
Dave Potter asks this question, which concerns whether there are limitations to the numbers of single-phase socket outlets that can be fitted in circuit. It has been answered by the NICEIC (Theme – Regulations and Legislation):
This Q & A is one of thousands posted in our Technical Expertise area, and answered on a daily basis by our Voltimum Experts.
Question: Can you advise me as to any limitations that might apply to the number of single-phase 16A sockets that can be established on a proper final radial or ring circuit, in line with BS7671:2008 (2011)?
Answer: The regulations do not state a maximum number of sockets, so therefore it is essentially limitless.
However, Appendix 15 provides guidance and states that a ring main should not exceed 100m squared in its size. At the design stage, the power demand should be confirmed so as to be able to decide whether to install one or more circuits for the provision of socket outlets on a given installation.
Note that if one circuit was installed and it is found that overloading is an issue, then the electrician may need to consider installing supplementary power circuits.
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