FH / ELECTRICAL RESOURCES
Electrical calculation tools
Open a calculator for early planning, then ask FH to check your site and the final design.
Pick the calculation you need
ELECCALC.AU · EXTERNAL TOOL
Cable sizing
Current rating, voltage drop and earth fault loop estimates.
Open calculator ↗ELECCALC.AU · EXTERNAL TOOLVoltage drop
Check estimated voltage drop for a proposed cable run.
Open calculator ↗ELECCALC.AU · EXTERNAL TOOLMaximum demand
Estimate the load for a home or business installation.
Open calculator ↗ELECCALC.AU · EXTERNAL TOOLSolar PV sizing
Explore panel, inverter and export assumptions.
Open calculator ↗ELECCALC.AU · EXTERNAL TOOLSolar voltage rise
Review voltage rise on a grid-connected PV circuit.
Open calculator ↗ELECCALC.AU · EXTERNAL TOOLEV charger circuit
Estimate charger cable and breaker requirements.
Open calculator ↗These tools are provided by ElecCalc, an independent service. Calculations are indicative; a qualified professional must check them against the current standards and site conditions before installation or certification. FH does not operate ElecCalc or receive the inputs you enter there.
Ask FH for an electrical assessment ↗