How to wire a 13 amp FCU or fused connection unit. Sometimes referred to as a Fused Spur.

Fused spurs, also known as fused connection units (FCUs), are electrical devices used in wiring installations. They are commonly found in the UK and other countries that follow similar electrical standards. Fused spurs provide a means of connecting electrical appliances or equipment to the main's electricity supply while incorporating a builtin fuse for protection.

What are the benefits of fused spurs / FCU / Fused Connection Units?
Power control: Fused spurs enable control of power supply to specific electrical devices or appliances.
Fuse protection: Fused spurs have a builtin fuse, which acts as a safety measure to protect the connected device and the wiring from excessive current.
Connection point: Fused spurs serve as a connection point between the fixed wiring in a building and individual electrical devices.
Flexibility: Fused spurs can be installed with either a switched or unswitched configuration, depending on the specific application