Circuit Breaker Sizing Calculator vs Electrical Outlet Circuit Calculator
Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.
Circuit Breaker Sizing Calculator
Determine the correct circuit breaker amperage for any electrical circuit using NEC load classification rules. Use it when designing new circuits or upgrading panels for continuous, non-continuous, and motor loads.
- Answers
- Required Breaker Size (amps)
- Inputs
- Continuous Load, Non-Continuous Load, Motor Load (if any)
Electrical Outlet Circuit Calculator
Find out how many electrical outlets can safely share a single circuit, given the breaker size and any dedicated loads already on it. Use it when planning a room addition, workshop, or home office wiring layout.
- Answers
- Maximum Outlets (outlets)
- Inputs
- Circuit Breaker Size, Outlet Type, Diversity Factor, Dedicated Loads on Circuit
At a glance
| Circuit Breaker Sizing Calculator | Electrical Outlet Circuit Calculator | |
|---|---|---|
| Category | Electrical Home | Electrical Home |
| Answers | Required Breaker Size | Maximum Outlets |
| Inputs | 3 | 4 |
| Result unit | amps | outlets |
When to use each
Determine the correct circuit breaker amperage for any electrical circuit using NEC load classification rules. Use it when designing new circuits or upgrading panels for continuous, non-continuous, and motor loads.
Find out how many electrical outlets can safely share a single circuit, given the breaker size and any dedicated loads already on it. Use it when planning a room addition, workshop, or home office wiring layout.