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§ Chapter 37 IRC 2021

Branch Circuit and Feeder Requirements

8 entries from Chapter 37 of IRC 2021, organized by section number. Each entry covers what the code requires, why it exists, what inspectors look for, and common mistakes.

§ 01   Sections

All 8 entries.

Sorted by section number. Click any row for the full entry — answer, requirements, edition diff, related sections.

Multiwire Branch Circuits Need Common Disconnecting Means
E3701.4
Can two circuits share a neutral in a house?
Branch Circuits Have Standard Residential Ratings
E3702.1
What amp ratings are allowed for house branch circuits?
Branch-Circuit Loads Cannot Exceed Circuit Ratings
E3702.2
How many outlets or loads can be on one circuit?
Kitchens Need Two 20-Amp Small-Appliance Circuits
E3703.2
How many small appliance circuits does a kitchen need?
Laundry Areas Need a Dedicated 20-Amp Circuit
E3703.3
Does a laundry room need its own 20 amp circuit?
Bathrooms Need a 20-Amp Receptacle Circuit
E3703.4
Does a bathroom need a dedicated 20 amp circuit?
Feeders Must Be Sized for the Load They Supply
E3704.1
How do I size a feeder to a subpanel?
Shared-Neutral Circuits Must Preserve Neutral Continuity
E3706.4
Do multiwire branch circuits need neutral pigtails at receptacles?