Surveillance, Security and
ELV Systems

Surveillance, Security and ELV Systems

According to the British Standard for building service, extra low voltage (ELV) is defined as any system operating in an voltage not exceeding 50V ac (or 120V ripple free dc). ELV system is a wide range of services in the building that can be provided by us. In terms of the functional approach, it can be categorized into 9 main sub-systems:

 

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