Where an addition or alteration is made to an existing final circuit as shown in fig 1 it should be verified that the work complies with bs 7671 and does not impair the safety of the existing installation regulation 610 4 refers whilst for such purposes a minor works certificate may be used as an alternative to an electrical installation certificate eic regulation 631 3 requires. T he aim of this article is to provide guidance for the electrical contractor on the appropriate use of a minor electrical installation works certificate meiwc when carrying out an addition or alteration to an existing final circuit. Only electricians registered for part p of the building regulations with body like the eca or niceic should undertake this type of electrical testing and certification.
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