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2. Three-prong adaptor - Wikipedia

   en.wikipedia.org/wiki/Three-prong_adaptor

   The ground tab is designed to be attached to the outlet faceplate screw, which is supposed to be connected to the building electrical ground. A cheater plug , AC ground lifter or three-prong/two-prong adapter is an adapter that allows a NEMA 5-15P grounding -type plug (three prongs) to connect to a NEMA 1-15R non-grounding receptacle (two slots).

3. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   A GFCI receptacle may be installed indoors where it is sheltered from dampness and corrosion, while still protecting an outdoors receptacle wired downstream. GFCIs are also recommended for power tool outlets and any locations where children might insert conductive objects into the receptacles. [36]

4. Residual-current device - Wikipedia

   en.wikipedia.org/wiki/Residual-current_device

   A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device, more specifically a form of Earth-leakage protection device, that interrupts an electrical circuit when the current passing through a conductor is not equal and opposite in both directions, therefore indicating leakage current to ground or ...

5. Faceplate - Wikipedia

   en.wikipedia.org/wiki/Faceplate

   Electrical outlet, also referred to as a wall plate, outlet cover, or socket cover; Front panel, of computers; Head unit, stereo system component; Motherboard, input/output port panel such as on an ATX; Cover (container) Faceplate (housing), decorative elements of housing Nokia 5110, mobile phone with interchangeable faceplates

6. Keystone module - Wikipedia

   en.wikipedia.org/wiki/Keystone_module

   A keystone module for a CAT5 network cable A 3-port keystone wall plate. A keystone module is a standardized snap-in package for mounting a variety of low-voltage electrical jacks or optical connectors into a keystone wall plate, face plate, surface-mount box, or a patch panel.

7. CEE 7 standard AC plugs and sockets - Wikipedia

   en.wikipedia.org/wiki/CEE_7_standard_AC_plugs...

   CEE 7 is a standard for alternating-current plugs and sockets.First published in 1951 by the former International Commission on the Rules for the Approval of Electrical Equipment (), it unified standards produced by several continental European countries.