Electrical Calculator
Electrical Calculator
Calculer electrical loads, wire sizing, circuit requirements, and panel capacity
Electrical Load Analysis
Résultats
Electrical Calculations
Step-by-Step Solution
Specifications
Code Requirements
Enter electrical specifications to calculate requirements
Quick Electrical Examples
Electrical Code Guide
Circuit Requirements
General Purpose: 15A, 120V
3 watts per sq ft minimum
3 watts per sq ft minimum
Kitchen/Bathroom: 20A, 120V
GFCI protection required
GFCI protection required
Large Appliances: 30A, 240V
Dedicated circuits
Dedicated circuits
Wire Sizing
14 AWG: 15A maximum
General lighting circuits
General lighting circuits
12 AWG: 20A maximum
Kitchen and bathroom circuits
Kitchen and bathroom circuits
10 AWG: 30A maximum
Large appliances
Large appliances
Panel Sizing
100A Panel: Small homes
Up to 1,500 sq ft
Up to 1,500 sq ft
200A Panel: Standard homes
Most residential applications
Most residential applications
400A Panel: Large homes
Over 3,000 sq ft
Over 3,000 sq ft
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