Quickly and easily calculate electrical cable sizes on your iPhone.

  • Most common cable types available
  • Calculations in accordance with BS7671 wiring regulations
  • Incorporates all relevant correction factors for grouping, ambient temperature, thermal insulation and buried cables.
  • Calculates (R1+R2), volt drop, Zs and gives maximum Zs values for most common fuses and circuit breakers
  • Calculated results can be emailed directly from the iPhone

Link to Capable on the iTunes App Store