This subclause deals with the essential requirements (“the five safety rules”) for ensuring that the electrical installation at the work location is dead and secure for the duration of the work.
This shall require clear identification of the work location. After the respective electrical installations have been identified, the following five essential requirements shall be undertaken in the specified order unless there are essential reasons for doing otherwise:
- Disconnect completely
- Secure against re-connection
- Verify absence of operating voltage
- Carry out earthing and short-circuiting
- Protect against adjacent live parts