The 2.5mm Ashley J301 4 Terminal 20A Junction Box is a compact, high-performance electrical connection enclosure designed specifically for safely joining and terminating 2.5mm cables in domestic and commercial wiring systems. Rated for up to 20 Amps, this professional-grade junction box is frequently utilized for extending power spurs, connecting radial circuits, or handling heavy-duty lighting and appliance feeds within wall cavities, floor voids, and ceiling spaces.
 
Engineered with four robust terminals, the unit easily accommodates multiple solid or stranded copper conductors, providing ample internal space to manage loop-in and loop-out configurations. The clearly accessible terminal blocks feature captive screws to speed up installation time on site, while the integrated, heavy-duty cable clamps deliver exceptional mechanical strain relief, anchoring incoming and outgoing wires securely to prevent any tension on the copper connections.
 
Manufactured from tough, heat-resistant thermoplastic designed to withstand demanding trade environments, the enclosure features a secure snap-fit or screw-down lid that fully encloses live parts to protect against dust, debris, and accidental contact. Fully compliant with relevant British Standards (BS6220), this reliable junction box ensures a safe, tidy, and permanent electrical joint for any professional installation project.