Cable Size & Ampere Calculator | BYA and NYY Cables

This cable ampere rating calculator helps electricians, engineers, and students determine safe current-carrying capacity of BYA and NYY cables based on IEC and BS standards.

Cable Calculator

BS & IEC Standards (BYA / NYY)

Find Ampere Rating

Find Cable Size

Cable Type BYA (PVC Copper – BS) NYY (IEC-60502-1)

Configuration Standard / Single Single Core 2-Core / 3-Core Multi-Core (5C+)

Installation Method

Select Cable Size (mm²)

Required Current (Amperes)