Austest is accredited for testing to the impact standard for IK ratings, IEC 62262.
The IK ratings vary depending on intended use. Street lights have a minimum IK04, moderate resistance IK06, high – IK08 according to AS 1158.6 (Resistance to vandalism).
| IK code | IK00 | IK01 | IK02 | IK03 | IK04 | IK05 | IK06 | IK07 | IK08 | IK09 | IK010 | |
| Impact energy, J | . | 0,14 | 0,2 | 0,35 | 0,5 | 0,7 | 1 | 2 | 5 | 10 | 20 | |
| *Not protected according to the standard | ||||||||||||
| NOTE 1 | When higher impact energy is required, the value of 50J is recommended. | |||||||||||
| NOTE 2 | A characteristic group numeral of two figures has been chosen to avoid confusion with some national standards which used a single numeral for a specific impact energy. | |||||||||||