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Dedicated circuit
A dedicated circuit serves one major appliance or one heavy load, instead of sharing with general outlets.
Why it matters
It reduces nuisance trips and lowers fire risk by keeping heavy loads on the right wiring.
Where people get this wrong
Many appliances require dedicated circuits by code. A new appliance can require a new circuit even if the old setup seemed to work.
Real-world example
You run the microwave and toaster and the breaker trips. The circuit is doing too many jobs at once.
Where this hits your build
This matters during rough-in and before drywall. Once walls close, adding or moving wiring becomes expensive. Plan ahead.
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