5.1Introduction#

This Section addresses the various types of fixed RCDs and their selection, installation, testing and application within the electrical infrastructure of Transport and Main Roads.

It is intended to provide designers with an understanding of how the RCD works, its advantages, disadvantages, limitations and what it can achieve along with the requirements of AS/NZS 3000.

The intent of this document is to provide that technical background knowledge as well as providing guidance based on a risk analysis as to where the exception clause of AS/NZS 3000 Part 2 may be applied to departmental electrical installations.