Courses›Design
Advanced

Cable Sizing & Installation

Selecting the correct cable is one of the most safety-critical decisions in electrical design. Get it wrong and cables overheat, insulation fails, fires start. This course teaches the full BS 7671 cable sizing methodology — current capacity, derating factors, voltage drop, and installation method selection.

📚 6 modules🎬 28 lessons⏱ 4h 7min🆓 Free forever

What you'll learn

  • ✓Select cable size using current-carrying capacity tables
  • ✓Apply all derating factors — grouping, thermal, depth of burial
  • ✓Calculate voltage drop to verify compliance
  • ✓Select installation methods and apply the correct CCC tables
  • ✓Size armoured cables for underground and industrial use
  • ✓Design busbar trunking systems

Prerequisites

  • ·Electrical Fundamentals
  • ·Domestic Wiring or equivalent

Course Curriculum

▶
01. How CCC tables work — Appendix 4
video10min
▶
02. Reference method A — enclosed in conduit
video8min
▶
03. Reference method B — clipped direct
video8min
▶
04. Reference methods C, E, F, G
video10min
⚡
05. CCC selection problems
exercise8min
0%
0 / 28 lessons
Modules6
Hours4h 7m
LevelAdvanced
CostFree