Cable Calc

Cable size calculator for Android to BS 7671 amendment 3 2015. Calculate the required cable sizes for various types of cables, protective devices and installation methods to BS 7671.

You can also use this app to check existing installed cables and circuits to check for compliance and confirm the correct cable size for the installation method.

This app also calculates, takes into account and applies the following factors for it's calculations:

> Volt drop
> Correction factors
> Cable length
> Max Zs (2015 amendment 3 values)
> Calculated Zs
> Calculated r1+r2
> Various installation methods
> Various cable types
> PFC

Correction factors include:
> Cg - Grouping
> Ca - Ambient air temperature
> Ca - Ambient ground temperature (if cable is buried or in a duct)
> Ci - Thermal insulation
> Cf - BS 3036 semi-enclosed fuses (re-wirable)

Remember to check out our full suite of electrical apps such as Cable Calc, Max Zs Values, Ohms Law, PFC Calculator, Watts Amps Volts Calculator, Adiabatic Equation, Electrical Tools & Reference, Earthing & Bonding...

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