Designed to adhere to the IET Wiring Regulations BS 7671:2018
Easily calculate the size of an electrical cable and verify its current carrying capability,
its volt drop and its circuit protective conductor’s minimum size.
Start by entering the 5 known parameters to run on your cable.
Press [ BS Ref ] to open the accepted cables list and select your cable.
Continue through the next 9 installation and derating factors to complete
the design by entering the Line and CPC conductor ‘s details.
Assistance is provided step by step and error values are highlighted in red.
Your cable design will be verified against the IET Wiring Regulations BS 7671:2018.
Your design will be checked in 3 parts each providing a Pass or Fail result.
3 ticks and your cable is good to go.
Open and Save up to 2000 cable designs.
Export your cable designs.
E-Calcs - Calculator 7 - BS Ref & Factors
HELP EXCEL YOURSELF