What is appliance safety testing?

Testing and tagging is the process of inspecting, testing, tagging and recording of electrical equipment to ensure compliance with AS/NZS 3760:2003 In Service Safety Inspection and Testing of Electrical Equipment.
 

Tests include the following
 

Earth bond continuity tests - Makes sure the appliance is earthed so that if there is a fault it will ground the electricity so that you won't be electrocuted.

Insulation resistance test - Tests the resistance between the active and neutral and any exposed metal parts on the appliance to check if the outside casing is live.

Power up test - This test shows the current being lost though leakage as the difference in the currents flowing in the live and neutral conductors while the appliance is powered and running

Visual inspection - Checks for visual faults such as damaged casing, exposed wires, loose cords, and loose pins.