Types of appliances covered by the standard.In broad terms it relates to the types of appliances you plug into a power outlet. More (residual current devices) testing and three phase appliance testing. RCDs are designed to protect people from electric shock. More single phase and polyphase electrical equipment, connected to the electrical supply by a flexible cord or connecting device…” This also covers RCD RCD is an acronym for Residual Current Device. This standard was prepared by the Joint Standards Australia/Standards New Zealand Committee EL-036 – In-service testing of electrical equipment.Ĭlasue 1.1 states “ This standard specifies procedures for the safety inspection and testing of low voltage Low voltage operates within the range of 51V - 1,000V AC or 120V - 1500V DC For test and tagging purposes these appliances present a risk of electric shock. The standard AS/NZS 3760 “ In-service safety inspection and testing of electrical equipment” is a document that is widely used as the key reference document for test and tagging of portable electrical appliances.