Electrician Tools
Browse all electrician tools .
23 toolsAmps to Watts Calculator
Convert electrical current in amps to power in watts using voltage and, where ap
Arc-Flash Incident Energy Calculator
Estimate incident energy and the working-distance flash-hazard boundary for a lo
Circuit Breaker Size Calculator
Suggest a preliminary breaker rating from load current, conductor ampacity, cont
Demand Load Calculator
Convert connected loads into estimated demand load using configurable demand and
Electrical Load Calculator (Commercial)
Calculate estimated electrical demand for offices, shops, restaurants, warehouse
Electrical Load Calculator (Residential)
Estimate the total electrical load of a home by combining lighting, fans, applia
Fuse Size Calculator
Suggest a standard fuse rating from the load current, continuous-load portion an
Generator Sizing Calculator
Estimate the generator capacity required for your loads, accounting for running
GFCI / RCD Trip-Time Reference Tool
Look up standard GFCI/RCD ratings (10, 30, 100, 300 mA), their trip thresholds a
Ground-Fault Calculator
Estimate the ground-fault current and touch voltage for a line-to-earth fault, c
Grounding Conductor Size Calculator
Estimate the minimum grounding/earthing conductor size from the phase conductor,
kVA to kW Calculator
Convert apparent power in kilovolt-amps to real power in kilowatts at your chose
kW to kVA Calculator
Convert real power in kilowatts to the apparent power in kilovolt-amps the suppl
Motor FLA Calculator
Compute the full-load current (FLA) of an electric motor from kW or horsepower,
Motor Starting Current Calculator
Estimate the current a motor draws during startup from FLA or kW, starting metho
NEC / IEC Code Reference Lookup
Quick reference to the most-used NEC articles and IEC clauses for sizing, protec
Panel Load Calculator (Service Panel Capacity)
Calculate the connected and estimated demand load of an electrical panel, compar
Power Factor Calculator
Find the power factor from kW and kVA, or from voltage, current and power. Calcu
Short-Circuit Current Calculator
Estimate the prospective short-circuit current at the source and at a feeder poi
Single-Phase to Three-Phase Load Calculator
Convert a single-phase load connected to a three-phase supply into its equivalen
Three-Phase Power Calculator
Compute real power (kW), apparent power (kVA), reactive power (kVAr) and power f
Transformer Sizing Calculator
Estimate the kVA rating for a transformer from connected load, demand factor, po
Watts to Amps Calculator
Determine the current in amps required for a given electrical power and voltage.