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2. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   However, the device can still be defeated by inserting two objects simultaneously. Despite its weaknesses, the tamper-resistant receptacle is superior to protective plastic outlet caps which must be individually installed on each receptacle (and are a choking hazard when removed), and to sliding covers that children easily learn to defeat. [37]

3. Residual-current device - Wikipedia

   en.wikipedia.org/wiki/Residual-current_device

   A Leviton GFCI "Decora" socket in a North American kitchen. Local electrical code requires tamper-resistant socket in homes, and requires a GFCI for socket within 1 metre of a sink. The T-slot indicates this device is rated 20 A and can take either a NEMA 5-15 or a NEMA 5-20 plug, though the latter type is rare on household appliances.

4. Electrical wiring in North America - Wikipedia

   en.wikipedia.org/wiki/Electrical_wiring_in_North...

   An outlet is defined by the NEC as "a point in the wiring system at which current is taken to utilization equipment". [1] This definition includes receptacles, lighting, motors, etc. Ordinary switches control but do not consume electricity, and therefore are not defined as outlets in this sense.

5. AC power plugs and sockets - Wikipedia

   en.wikipedia.org/wiki/AC_power_plugs_and_sockets

   BS 546, "Two-pole and earthing-pin plugs, socket-outlets and socket-outlet adaptors for AC (50-60 Hz) circuits up to 250 V" describes four sizes of plug rated at 2 A, 5 A (Type D), 15 A (Type M) and 30 A. The plugs have three round pins arranged in a triangle, with the larger top pin being the earthing pin.

6. List of screw drives - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_drives

   Both tamper-proof and tamper-resistant drives are commonly used in vandalism- and attack-prone areas, such as public restrooms, prisons, [72] and banks; tamper-resistant in similar applications, and on equipment such as home electronics, to prevent unauthorised access and repairs.

7. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   Tamper resistant switch [10] Where lighting circuits must not be accidentally switched off, for example, corridor and restroom lighting controls in public buildings such as schools, a tamper-resistant switch may be installed. These require a key to operate and so discourage casual or accidental operation of the switch. [11]