Master Twin Extension Socket with Back Box. Item Code: LJ4/2A.
SINGLE GANG WHITE BACK BOX FOR Openreach NTE5 MASTER SOCKET BOX Of 32
BT telephone line box (without back box). Item code 314444
LJ4/2A Double Telephone Socket Extension with Back Box Master Box Of 20
BT Type Telephone Master 20 X Socket NTE5a with Back Box 2018 Version IDC A&B
2 x Certified Maplin Single Telephone Master Face Plate & Back Box LJU2/4A
2 x Maplin Single Telephone Master Face Plate & Back Box LJU2/4A
