They usually are, but also are not required to be. The reason why involves a National Electrical Code citation at 210.52(B)(1), that says: “In the kitchen, pantry, breakfast room, or similar area of a dwelling, the two or more 20-ampere small-appliance branch circuits required by 210.11(C)(1) shall serve all receptacle outlets covered by 210.52(A) and (C) and receptacle outlets for refrigeration equipment.” Receptacles under 210.52(A) are general purpose, and 210.52(C) are kitchen countertop.
So a minimum of two 20-amp appliance circuits are required by NEC 210.11(C)(1) to serve the kitchen, dining room, breakfast room, and pantry receptacle outlets. Only the receptacles on those two circuits that serve the kitchen countertop are required to be GFCI protected. But wall receptacle outlets in the kitchen and other rooms can be on the same two GFCI circuits, instead of adding another one, and they usually are. So they end up having the GFCI protection of the kitchen counter receptacles, even though not required to be GFCI protected.
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Here’s links to a collection of our other blog posts about AFCI and GFCI RECEPTACLES AND CIRCUIT BREAKERS:
• Does a septic pump or sump pump require a GFCI-receptacle?
• What is the difference between what trips a GFCI (ground fault) receptacle and a circuit breaker?
• Are Ground Fault Circuit Interrupters (GFCIs) really necessary and worth the trouble?
• What is the code requirement for GFCI protection for receptacles near a wet bar sink?
• When was GFCI-protection for kitchen dishwasher receptacle outlet first required?
• When did arc fault circuit interrupter (AFCI) breakers first become required?
• Does a washing machine receptacle outlet require GFCI protection?
• My spa tub stopped working. What's wrong?
• How do I identify a combination AFCI (CAFCI) circuit breaker?
• What does "listed and labeled" mean for an electrical component?
• What electrical hazards does a Ground Fault Circuit Interrupter (GFCI) NOT protect against?
• What is the difference between GFCI and AFCI circuit breakers?
• Where are GFCI receptacle outlets required?
• When were GFCI receptacle outlets first required?
• What happens when you press the "TEST" button on a circuit breaker in an electric panel?
• What is the difference between the electric service to a mobile home and a site built home?
• Why is there a wall switch next to the furnace or indoor unit of the air conditioner in the garage?
• What is a Dual Function Circuit Interrupter (DFCI)?
• How I can tell if a receptacle outlet is tamper resistant?
• What is the difference between a Combination Arc Fault Circuit Interrupter (CAFCI) and an Arc Fault Circuit Interrupter (AFCI) circuit breaker?
• What is the difference between "grounded" and "grounding" electrical conductors?
• What does it mean when a wire is "overstripped" at a circuit breaker?
• Why is there a GFCI breaker in the electric panel for the bathroom shower light and exhaust fan?
• What is the switch on the wall with two pushbuttons?
• How far apart should kitchen counter receptacles be spaced?
• How far above a kitchen countertop do electrical outlets have to be?
• How is it possible to provide both GFCI (Ground Fault Circuit Interrupter) and CAFCI (Combination Arc Fault Circuit Interrupter) protection for kitchen and laundry circuits?
• My bathroom electric receptacle/outlet is dead and there are no tripped breakers in the electric panel. What's wrong?
• My GFCI reset button is hard to push and won't reset. What's wrong?
• Why do some breakers in my electric panel have a "TEST" button on them?
Visit our AFCI AND GFCI page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.