AS/NZS 3019
ANSWER
NZS 3019 is cited by the Electricity Regulations for in-service testing.
NZ Electrical Inspectors who carry out periodic verification, by inspection and/or testing, with the means to determine, as far as reasonably practicable, whether the installation and all its constituent equipment is in a safe condition for continued use, and that the electrical installation complies with the safety requirements for the prevention of fire or a person or livestock from sustaining an electric shock.
Contact us through our "Ask a Question" page if you'd like to know more.