Concrete BT Joint Box (also known as J4 Junction Boxes, BT Boxes and Openreach Junction Box) provide easy access for cable jointing and maintenance.
This reinforced concrete unit eliminates the need for on-site building.
Mini Pillar Bases are used in NIE Contracts to hold up a connection box.
They are 330mm wide x 860mm long with a 100mm depth.
At Moore Concrete our Joint Box and Mini Pillars are manufactured under a system of rigidly applied quality control to ensure optimum, fully cured mouldings that require trouble free installations and upkeep.
For further information regarding J4 & Mini Pillar Bases Please contact a member of our building Sales Team on
028 2565 2566, Ext 2
Polystyrene knock-out for variety of cable entry points
100mm walls to enable chamber wall height to be raised with blockwork
30mm diameter holes to facilitate lifting
Manufacturing with a built in BT channel helps to keep wires together in a safe and dry part of the box
Weight of box is 620kg
Mini Pillar Bases include two 10mm bolts for fixing to a connection box
Mini Pillar Dimensions
Our Mini Pillar we manufacture are seen above along with the dimensions. Moore Concrete are proud to be one of the UK’s leading manufacturers of high quality precast building products. Speak to our team on +44 (0)28 2565 2566 for more information.
For further information contact a member of our building sales team on 028 2565 2566, Ext 2. Delivery available throughout the UK & Ireland.