Can also be used to change a BT78a or BT80a into a BT77a.
20 BT 77A 3 PAIR IDC JUNCTION BOXES FOR TELEPHONE CABLE BT77A JOBLOT TRADE PACK
50 BT 77A 3 PAIR IDC JUNCTION BOXES FOR TELEPHONE CABLE BT77A JOBLOT TRADE PACK
BT 77A 3 Pair 6 Way IDC Internal Telephone Cable Junction Connection Box BT77A
BT 77A 3 Pair IDC Telephone Junction / Connection Box / Joiner / Repair a Wire
5x BT 77A 3 Pair 6 Way IDC Internal Telephone Cable Junction Connection Box
BT 77A 3 Pair IDC Telephone Cable Junction Box Joint Box Connection Box
