You can click through to FastQuote, our online quotation tool, to select a cable that meets your size and specification requirements. The size of the wire is always the same in theory (we’ll cover how big a wire you need for a 60 amp breaker further on). Compare prices, ratings, and availability by the foot at. In both BS and IEC calculations, the KW calculation is based on a power factor of 0.8. Even wire size for 60 amp sub-panel 150 feet away. Learn the best selling wires for service to a 100 amp sub-panel, including copper and aluminum, single conductor and multi-conductor, direct burial and tray cable. The cable size results for International standard cable are calculated from IEC 6: Low Voltage Electrical Installations, selection and erection of electrical equipment – Wiring systems and are based on 230V and 415V voltage drop. It covers Low Voltage armoured AWA and SWA cables, insulated cables including twin & earth and 6491X, and insulated and sheathed cables in both PVC and LSZH such as H07ZZ-F and SY cable. For example, you may use a 10 AWG or American Wire Gauge for a 30 amp appliance, and a size 8 AWG for a 45 amp device. The results for British standard cable are calculated from BS7671 (18th Edition) Requirements for Electrical Installation, IEE Wiring Regulations, and are based on 230V and 415V voltage drop. Wiring size requirements differ per amp rating of the circuit. Complete the sections below to calculate your results. Eland Cables' Cable Calculator can help you determine the most appropriate cable size for your installation against British and IEC standards.
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