Test Period as outlined in the standard - AS/NZS 3760:2010
Electrical equipment shall be inspected and tested:
(a) At intervals indicated in Table 4 (subject to a tolerance of two weeks), or as varied by a responsible person based on a risk assessment;
(1) Regulatory authorities, other Standards, workplace safety requirements or manufacturers’ instructions may specify shorter or longer intervals appropriate to particular industries or specific types of equipment.
(2) Some regulatory jurisdictions limit the inspection and testing of electrical equipment to defined work activity or working environment s. For example construction wok or equipment used in a hostile operating environment.
(b) On return to service after a repair or servicing, that could have affected the electrical safety of the equipment. AS/NZS 5762 may apply;
(c) Before placement in service, if sourced from a second-hand sale, to ensure the equipment is safe. AS/NZS 5761 shall apply.