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BS EN 60364-5-55 Amd.3 Amendment 3 - Electrical installations of buildings. - Part 5-55: Selection and erection of electrical equipment - Other equipment ; Amendment on Clause 551

Scope

This clause provides requirements for the selection and erection of low-voltage and extra-low voltage generating sets intended to supply, either continuously or occasionally, all or part of the installation. Requirements are also included for installations with the following supply arrangements:– supply to an installation which is not connected to an external system for distribution of electricity;– supply to an installation as an alternative to an external system for distribution of electricity;– supply to an installation in parallel with an external system for distribution of electricity;– appropriate combinations of the above.This part does not apply to self-contained items of extra-low voltage electrical equipment which incorporate both the source of energy and the energy-using load and for which a specific product standard exists that includes the requirements for electrical safety.NOTE  For low-voltage generating sets connected to a system for distribution of electricity, additional requirements of the distribution system operator may exist.

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