2020 National Electrical Code (NEC) 210.50(B)(1) Dwelling Units: In kitchens, pantries, dining rooms, breakfast rooms, living rooms, parlors, libraries, dens, sun rooms, recreation rooms, closets, hallways, laundry areas, or similar rooms of dwelling units, receptacle outlets shall be installed so that no point along the floor line in any wall space is more than 6 feet (1.8 m) measured horizontally from an outlet in that space, including any space occupied by fixed cabinetry or appliances. 210.7(D)(1) Receptacle Outlets: Spacing. In other than dwelling units, receptacle outlets shall be installed so that no point along the floor line in any wall space is more than 6 feet (1.8 m) measured horizontally from an outlet in that space, including any space occupied by fixed cabinetry or appliances.The NEC does not specifically require 3-wire plus ground (3W+Grd) outlets for dwelling units. However, the following sections of the NEC may be relevant: 404.2 Electric Ranges, Wall-Mounted Ovens, and Counter-Mounted Cooking Units: (B) Other Than Dwelling Units. [...] Ranges intended for installation other than in dwelling units shall be marked with a branch-circuit wire size of not less than 8 AWG copper or 6 AWG aluminum. (C) Dwelling Units. [...] Ranges intended for installation within dwelling units shall be marked with a branch-circuit wire size of not less than 10 AWG copper or 8 AWG aluminum. 210.23(A) through (E) Ground-Fault Circuit Interrupters (GFCIs): (D) Countertop Spaces. In kitchens and bathrooms of dwelling units, all 125-volt, single-phase, 15- and 20-ampere receptacles installed within countertop spaces shall have GFCI protection for personnel.These sections of the NEC indicate that: Electric ranges installed other than in dwelling units require a branch circuit with a wire size of at least 8 AWG copper or 6 AWG aluminum. Electric ranges installed within dwelling units require a branch circuit with a wire size of at least 10 AWG copper or 8 AWG aluminum. All 125-volt, single-phase, 15- and 20-ampere receptacles installed within countertop spaces in kitchens and bathrooms of dwelling units must have GFCI protection.Local codes or ordinances may have additional requirements for receptacle outlets in dwelling units, including the type of outlet required. It is always recommended to consult with a qualified electrician or local building inspector to ensure compliance with all applicable codes and regulations. Flag for review