The standard depth requirements apply, but consider trenching to 600mm regardless of minimum requirements. EV charging circuits often carry significant loads, and the extra depth provides better thermal dissipation and future-proofing if you upgrade your charger later. A rung spacing of 6 to 9 inches (150 to 230 mm) is preferable when the cable tray cont d for instrumentation and control applications that require. This guide gives you the exact depths, materials, and construction methods you need for cable trenching in Australia. Just the specifications you can use today. Before you break ground, you need one number: the minimum depth for your specific situation. Before you dig anything:. Choosing between a cable tray and a cable trench helps keep cables safe, neat, and easy to manage. Cable trays are above-ground systems that support and organize cables.
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