JBX junction boxes are designed and approved for use in indoor/outdoor, industrial, MRO and OEM applications for the accessibility and installation of wire and cable in continuous lengths and to enclose joints and splices. JBX boxes are molded of PVC, are entirely non-metallic and provide NEMA 1, 2, 3R, 4, 4X, 6, 6P, 12, 13 protection on sizes 4" to 12" and NEMA 1,2,3R,4,4X,12,13 protection on sizes 14" to 16". We have conducted many practical experiments which prove that the product can function its greatest effect in the field (s) of Electronic & Instrument. Secure your connections with fastener system junction boxes and PVC enclosures from Centaur Installation. Top-quality, durable solutions. Browse now!The JBX Pro builds on the trusted performance of the Connexbox® enclosure range with enhanced features for more complex or space-constrained installations. It's ideal for electricians who regularly work across both power and lighting circuits, smart home systems, or need extra capacity and. Only WAGO™221-412, 221-413 and 221-415 connectors are permitted for use with the Connexbox JBX Pro enclosure in BS 5733-MF (Maintenance free) locations. This limit must not be exceeded.