Armoured Cable Size Calculator Work Jun 2026

Voltage drop per A·m (mV/A/m) is extracted from manufacturer data. [ V_d = \text(mV/A/m) \times I_b \times L \times 10^-3 \quad [\textVolts] ]

When it comes to electrical installations, few components are as robust and reliable as Steel Wire Armour (SWA) cable. Whether you are powering a garden shed, a detached garage, or an industrial outbuilding, SWA is the go-to solution for underground or external runs. armoured cable size calculator

Disclaimer: This blog post is for educational purposes. All electrical work should be carried out by a qualified electrician and certified in accordance with local building regulations (e.g., BS 7671 in the UK). Voltage drop per A·m (mV/A/m) is extracted from