Cable Selection & Sizing Calculations

Cable Selection & Sizing Calculations

This course provides comprehensive training in selecting and sizing electrical cables, ensuring full compliance with BS 7671. You will master the standard sizing sequence, learning to accurately calculate design current, protective device ratings, and apply crucial correction factors for ambient temperature, grouping, and thermal insulation. The programme covers verifying current capacity, voltage drop principles, and essential shock protection measures, including the use of the adiabatic equation for CPCs. By the end, you will be able to confidently perform precise cable sizing calculations for safe and compliant UK electrical installations.