learn.howToCalculate
learn.whatIsHeading
Electrical Load Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Formel
Total Load = Σ (Wattage × Usage Hours) per circuit
Trinn-for-trinn guide
- 1List all devices on circuit, sum wattages
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Løste eksempler
Inndata
Lights 300W + outlets 1200W + appliance 1500W
Resultat
Total Load = 3000W on 20A circuit = 25A → overloaded
Vanlige feil å unngå
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
Klar til å beregne? Prøv den gratis Electrical Load-kalkulatoren
Prøv selv →