Power
Power cable
A power cable is an electrical cable, an assembly of one or more electrical conductors, usually held together with an overall sheath. The assembly is used for transmission of electrical power. Power cables may be installed as permanent wiring within buildings, buried in the ground, run overhead, or exposed. Power cables that are bundled inside thermoplastic sheathing and that are intended to be run inside a building are known as NM-B (nonmetallic sheathed building cable).
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Cable, 9V Snap PP3 Connector to Molex
Sparkfun
£1.509V PP3 Snap Connector Classic 9V connector terminated with 2-pin polarized Molex connector. 5" in length.£1.50 -
4 X AA Battery holder with on/off switch and 2.1mm Barrel jack
Proto-PIC
£3.404 X AA Battery holder with on/off switch and 2.1mm Barrel jack This is a simple 4 cell AA battery holder. The 20CM (Approx) cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector.The connector mates with the barrel jack on...£3.40 -
DC Barrel Jack Adapter, Screw Terminals, Male
Sparkfun
£3.40DC Barrel Jack Adapter, Screw Terminals, Male This adapter allows you to connect a barrel jack connector to bare wires.One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack.If you need to connect bare wires to a...£3.40 -
DC Barrel Jack Adapter Screw Terminals - Female
Sparkfun
£2.50DC Barrel Jack Adapter Screw Terminals - Female This adapter allows you to connect a barrel jack connector to bare wires.One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack.If you have a power supply with a...£2.50 -
Barrel Jack to 2-pin JST Cable 160mm
Sparkfun
£3.75Barrel Jack to 2-pin JST Cable 160mm Two-pin JST connector to a 2.1x 5.5mm barrel jack, 160mm long jumper cable.This is a handy cable that can take a mains wall power supply to a relatively small, SMD JST connector.Because many of the SMD connectors used...£3.75 -
USB to 5.5mm Barrel Jack Adapter Cable
Sparkfun
£3.50USB to 5.5mm Barrel Jack Adapter Cable This is a simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the user to use a USB port on a computer, laptop, or on our cigarette power supply to provide...£3.50 -
USB Type-C Power Switch for Raspberry Pi 4
Proto-PIC
£4.00USB Type-C Power Switch for Raspberry Pi 4 This USB-C Power Switch is perfect for adding a familiar user power interface to your Raspberry Pi 4 or other Single board computer powered by USB-C.You can use all your existing power adapters with the power...£4.00