Cable Sizing | Calculator Australia [patched]

She pulled out her phone and opened a browser. She typed: .

She saved the PDF, marked the order for 50 mm², and took a long, cold sip of ginger beer.

"No," Maya said, turning the tablet toward him. "Look. Because of the length and the heat out here, the calculator says 50 square." cable sizing calculator australia

Gerry grunted, putting his reading glasses on. He studied the outputs: ambient temperature correction, soil thermal resistivity, the mandatory 5% voltage drop rule. A slow smile cracked his sun-leathered face.

She hit calculate.

Maya looked back at the screen. Under the results, it read: "Compliant with AS/NZS 3008.1.1:2017. Installation suitable for Australian conditions."

"Smart girl." Gerry twisted the cap off her ginger beer. "That tool just saved you three days of digging up failed cable. You buy the calculator a beer next time you see it." She pulled out her phone and opened a browser

She was a third-year electrical apprentice, and her boss, Old Gerry, had given her a task that made her stomach clench: "Run the main feed. 250 metres from the switchboard to the bore. Don't undersize it, or we'll be back in summer to dig up melted rubber."