Article 406 Receptacles, Cord Connectors and Attachment Plugs (Caps)
406.12 Tamper-Resistant Receptacles. All 15- and 20-ampere, 125- and 250-volt nonlocking-type receptacles in the following locations shall be listed tamper-resistant receptacles:
(1) All dwelling units, boathouses, mobile homes and manufactured homes, including their attached and detached garages, accessory buildings, and common areas
(2) Guest rooms and guest suites of hotels, motels, and their common areas
(3) Child care facilities
(4) Preschools and education facilities
(5) Within clinics, medical and dental offices, and outpatient facilities, the following spaces:
a. Business offices accessible to the general public
b. Lobbies and waiting spaces
c. Spaces of nursing homes and limited care facilities covered in 517.10(B)(2)
(6) Places of awaiting transportation, gymnasiums, skating rinks, fitness centers, and auditoriums
(7) Dormitory units
(8) Residential care/assisted living facilities, social and substance abuse rehabilitation facilities, and group homes
(9) Foster care facilities, nursing homes, and psychiatric hospitals
(10) Areas of agricultural buildings accessible to the general public and any common areas
Informational Note No. 1: See ANSI/NEMA WD 6-2016, Wiring Devices — Dimensional Specifications. This requirement would include receptacles identified as 5-15, 5-20, 6-15, and 6-20.
Informational Note No. 2: See NFPA 5000-2021, Building Construction and Safety Code, and the International Building Code (IBC)-2021 for more information on occupancy classifications for the types of facilities covered by this requirement.
Informational Note No. 3: Areas of agricultural building are frequently converted to hospitality areas. These areas can include petting zoos, stables, and buildings used for recreation or educational purposes where receptacles are installed.
Exception to (1) through (10): Receptacles in the following locations shall not be required to be tamper resistant:
(1) Receptacles located more than 1.7 m (5 1⁄2 ft) above the floor
(2) Receptacles that are part of a luminaire or appliance
(3) Where the receptacle outlet is installed within the space occupied by or designated for each appliance that, in normal use, is not easily moved from one place to another and is cord-and-plug-connected in accordance with 400.10(A)(6), (A)(7), or (A)(8) the following are permitted:
a. A single receptacle that is not readily accessible and supplies one appliance
b. A duplex receptacle that is not readily accessible and supplies two appliances
(4) Nongrounding receptacles used for replacements as permitted in 406.4(D)(2)(a)

Material taken from the National Electric Code. is reprinted with permission from NFPA 70., 2023 edition. National Electrical Code®, Copyright 2022, National Fire Protection Association, Quincy, MA. All rights reserved.