We invite you to assess your own stock and contact us as soon as possible to take advantage of the Nz Discount we can provide. It includes tests for: Already Subscribed to this 307. Please first verify your email before subscribing to alerts. Please note it is best to order as many as you can together as the postage for 2 or 5 is likely to be the same. The standard outlines testing procedures and inspection guidelines to ensure that an electrical installation complies with the requirements for: Please first log in with a verified email before subscribing to alerts. Electrical installations-Testing and inspection guidelines. AS/NZS and testing) guidelines to ensure that electrical installations comply with the requirements of AS/NZS with regard to. standard by Australian/New Zealand Standards, 01/01/ View all product details. AS/NZS Electrical installations – Verification guidelines.