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Display in Rotterdam showing how to use Google Assistant with a smart plug to turn on an electric fan (Dutch: zet de ventilator aan)A smart plug is a power plug and socket (also known as a wall plug, outlet, or electrical connector) which can be fitted between power cords and sockets to function as a remote-controlled power switch.
The socket has two plastic locking tabs that have to be pressed toward the central probe slightly to insert into holes in the front of the plug connector. When the two are pushed together, the fingers slide down the holes until they reach a notch in the side of the plug connector, where they pop outward to lock the two together.
A separate male-to-female cable is used to connect the vehicle using a male plug connecting to the female socket outlet of the charging station; this last connection was proposed to use the Type 3C connector, while the vehicle-to-cable connection would be made using a connector of the EV manufacturer's choice (Type 1, 2, or 3).
On the plug, the contacts are flat metal bars positioned parallel to the connector body. Inside the jack, the contacts are metal spring wires angled away from the insertion interface. When the plug is mated with the jack, the contacts meet and create an electrical connection. The spring force of the jack contacts ensures a good interface.
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).
A North American power strip with two USB power ports that includes a built in surge protector. A power strip (also known as a multi-socket, power board and many other variations [a]) is a block of electrical sockets that attaches to the end of a flexible cable (typically with a mains plug on the other end), allowing multiple electrical devices to be powered from a single electrical socket.
During power failures, they'll shine bright white and can be removed from the outlet and used as a portable flashlight. With a long life LED, this night light will outshine the rest.
On banana plugs for laboratory use, an insulating plastic cover is usually fitted over this rear end of the connector, while banana plugs for speaker connections often use uninsulated metal bodies. The rear end of a 4 mm plug often has a 4 mm hole drilled in it, either transversely or axially, or both, to accept the pin of another 4 mm plug.