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CONNECTION BOXES AND BLOCK TERMINALS

Internal & External Connection Boxes (Block Terminals)

     
BT_No1 Old GPO Protector
General Post Office BT No.1A Old Junction/Protector Box (1930s) Old Junction/Protector Box (1930s)
     

     

Old GEC Box

Old Junction/Protector Box (1950s) Old Junction/Protector Box (1950s) Old GEC Junction Box
     

     

Green 20/4 [Courtesy of Neil Carpenter]

20/4 in Green, Red, Ivory & Black [Courtesy of Neil Carpenter]

Ivory 20/4 [Courtesy of Ken Dexter]

General Post Office BT20/4  GPO BT20/4 in Green, Red, Ivory & Black General Post Office BT 20/4 (1956)
     

     
BT 20/2

GPO 20/4 Block Terminal

GPO 20/8 Block Terminal
General Post Office BT 20/2

General Post Office BT20/4 (1955)

General Post Office BT 20/8
     

     
GPO 20/12 [Courtesy of Ken Dexter] BT27A BT27SS
General Post Office BT20/12 General Post Office BT27A General Post Office BT27SS
     

     
BT30 BT36B BT37B
General Post Office BT30 General Post Office BT36B British Telecom BT37B
     

     
Black BT35A Cream BT35A Grey BT35A
General Post Office BT35A General Post Office BT35A General Post Office BT35A
     

     

  GPO 52A Block Terminal

PO Tel.  52A Block Terminal

BT 52A Block Terminal
General Post Office box 52A Post Office Telecom box 52A British Telecom box 52A
  Item code: 434144  

     
BT60A Test Unit 14 Cover 67AM
BT60A
Year: 1982
Test Unit No.14A Cover No. 67AM White
Year: 1979
Item Code: 313763   Item Code: 435701
Option for mounting protectors electrode No. 1B.   For use with block terminal No: 50
     

     
BT 77A Terminal BT77B BT 78A Terminal
BT 77A BT77B BT78A
3 pair IDC to 3 pair IDC terminal block 3 pair screw to 3 pair screw terminal block 4 pair IDC to 4 pair IDC terminal block
     

   
BT78B 80a.jpg (62341 bytes) BT80A/RF2
BT78B BT80A BT80A/RF2
Item Code: 438009 Item Code: 436270
4 pair IDC to 4 pair IDC terminal block 3 way IDC to 3 individual screw terminals As 80A, but incorporating RF filters to reduce radio interference on telephone line
     

   
BT80B BT80B/RF3 [Courtesy of Seb Young] BT81A
BT80B BT80B/RF3 BT81A
Item Code: 438010 As 80A, but incorporating RF filters to reduce radio interference on telephone line & compatible with ADSL. Provides master termination & circuitry for installing in a box or trunking. Used with LJU6C
3 way IDC to 3 individual screw terminals    
     

     
BT84A BT89A
BT84A BT85B BT89A
3 pair IDC to 3 pair screw terminal block Used for housing connections only, no terminals apart from earth 6 pair connection box. Incorporates 12 separate IDC terminals

BT 92A Terminal
BT92A Block Terminal 32/6 2-pair block insert 1A for BT66B
Item code:437357
Year: 2005
Item Code: 430286
Used in RedCare (Telecom Red) installations to connect line to alarm panel. Similar to 80A

Year: 1987


   
BT 66B Terminal External Connection Boxes
External Block Terminal BT66B (1988) External Block Terminal BT16A Above ground dropwire closure
Item Code: 072256 External Connection Box Item code: 038271
2 pair block insert for 66B   Used for joining 2 or 3 dropwire cables
    Made by DexGreen Ltd of Co Cork, Ireland

2 wire jelly crimp 8A 2 wire jelly crimp 8A 3 wire jelly crimp 8B
     

     
2 pair external block terminal

20 pair external block terminal

2 pair External Block Terminal External Block Terminal No.18

20 pair External Block Terminal

  Year: 1971  
     
     

Box Connections
     
Box Connector 201D Box Connector 201D
Box Connection 201C  Box Connection 201C
10 pair Connection Box 20 pair Connection Box
     

     
Box Connector 1A [Courtesy of John Griffiths] Box Con 2A/10 Box Con 250
Box Connector 1A Box Connection 2A/10 Box Connection 250/5
40 pair Connection Box 50 pair Connection Box
     

     
Box Con 251 Box Con 301A Box Con 301A
Box Connection 251 Box Connection 301A Box Connection 301A
50 pair Connection Box 100 pair Connection Box 100 pair Connection Box
     

Additional Connection Boxes
  •  

Box Connection 220A 30 pair Connection Box (takes up to 3 Krone 237A strips) 
  •  

Box Connection 250/7 70 pair Connection Box (takes up to 7 Krone 237A strips) 
  •  

77BP As 77A but with break out cable terminated with 431A plug

 

       


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