All Clipsal Rigid Non Metallic Conduit and Fittings are manufactured in strict accordance with relevant sections of AS/NZS 2053 Conduit and Fittings for Electrical Installations and have an operative temperature range of -15°C to +65°C. Most Clipsal Conduit Fittings are suitable for use underground and are marked EO (Electric Orange). Resistance to most common corroding agents, including the majority of oils and fats, inorganic acids, alkalis and salts, is a feature of Clipsal Rigid Non Metallic Conduit and Fittings. However, they are not recommended for use with Ketones, Esters or Aromatic or Chlorinated Hydrocarbons. Unless specified otherwise all dimensions are nominal.