Electrical installations in the state of Victoria that have the requirement for the design and erection of high voltage (above 1000 V AC or 1500V DC) electrical equipment is required to be designed to the appropriate Australian standards and guidelines.
Work on High voltage electrical installations in the state of Victoria is deemed to be prescribed work and as such requires verification and certification by a High voltage electrical inspector, so as to provide for the safety and proper functioning for the use intended.
A high voltage installation includes but not limited to:
(a) An electricity network substation
(b) The high voltage parts of an electrical installation of a power station.
(c) The high voltage parts of an electrical installation, this may include but not be limited to consumer and customer electrical installations serving premises such as factories, commercial facilities, industrial plants, institutional facilities and mine sites.