BLOCK TERMINALS


Block Terminal No. 1

Small one pair round external type moulded Block.
Consists of two double screwed terminal plates in a circular insulated block of 2.5 inch diameter.  Diagram EC 1329.

Block Terminal No. 2

Four double screwed terminal plates on rectangular insulating base with metal cover.  Has two recessed which may be filled with compound for sealing incoming and outgoing lead covered cables.  Diagram EC 1389.

Block Terminal No. 3

As the Block Terminal No. 2 but with 8 plates (4 pairs).  Diagram EC 1389.
 

Block Terminal No. 6

Similar to Block Terminal No. 3 and used for terminating 10 pair cables (except paper covered).

Internal use only.

Superseded by Case Distribution 20 wire.

Block Terminal No. 8

10 pair Oblong shaped Block for terminating Paper Covered cables.

Internal use only.

Superseded by Blocks, Terminal No. 17 for external use.

Block Terminal No. 9

16 pair Oblong shaped Block for terminating Paper Covered cables inside buildings only.

Superseded by Blocks, Terminal No. 17 for external use.

Block Terminal No. 12

10 pair Block for terminating 40lb and 70lb Paper Covered cables.

Superseded by Blocks, Terminal No. 17 for external use.

Block Terminal No. 13

4 pair Block for terminating Paper Covered cables (Small rectangular moulded Block)

Block Terminal No. 14

14 pair Block for terminating 40lb and 70lb Paper Covered cables.

Superseded by Blocks, Terminal No. 17 for external use.

Block Terminal No. 17

A circular block which contains 15 pairs of terminals and was used externally.

Generally found at the top of a pole feeding dropwires to houses.

The cover is released by means of a central screw.  The screw had a tendency to seize.

Superseded Block Terminals No's 8, 9, 12 & 14.

 

Block Terminal No. 18

Plastic circular Block Terminal for external use.

4 terminal block used for terminating underground cable.

Normally on 1960's and 1970's housing developments.

Superseded by Block terminal No. 66

 

Block Terminal No. 20

Bakelite Block that came in 4 sizes, 2, 4, 8 and 12 double screw terminal plate types.

Supplied in the four standard colours except for the 2 terminal block which is black only.

For internal use.

Shown from Left to Right in picture- 20/8, 20/4 & 20/2

No. 20/2 - Black - Two connection plates
No. 20/4 - Black, Green, Ivory, Red – Four connection plates
No. 20/8 – Black, Green, Ivory, Red – Eight Connection plates
No. 20/12 – Black, Green, Ivory, Red – Twelve connection plates
 

Click here for pictures

Block Terminal No. 21

Moulded block with sockets (bakelite ‘chocolate block’ connector used in teleprinters etc).

No. 21/2, No. 21/3, No. 21/5, No.21/6, No. 21/8, No. 21/10, No. 21/12

Block Terminal No. 23/6

For terminating switchboard cords on switchboards.

Block Terminal No. 27A

10 pair screw/solder block in grey only.

Includes a clip on lid, Cover No. 49.

5.75 in x 3.25 in x 1.25 in

 

Block Terminal No. 30

6 terminal screw block used on early 700 type telephones.

For internal use.

Block Terminal No. 32

3, 4 and 6 way for general purpose use.

Internal use only.

 

Block Terminal No. 33

30 terminals Block for use in Boxes, Conn No. 5 (Swbd PMBX 2/…)

Internal use only.

Block Terminal No. 35A

6 way (3 pair) screw block.

For internal use.

Black, Grey and Ivory.

 

Block Terminal No. 36

6 pair screw block.  

For internal use.

 

Block Terminal No. 37B

12 pair screw block.

For internal use.

 

Block Terminal No. 41 and 41A

No. 41
16 pair Block for terminating polythene cables on terminal poles and external distribution.

No. 41A
20 pair Block for terminating polythene cables on terminal poles and external distribution.

Block Terminal No. 42

For use where lightening protection is required at junction of underground cable and overhead plant.

Block Terminal No. 45A

20 pair screw/solder block.

For internal use.

Includes a clip on lid, Cover No. 70A.

 

Block Terminal No. 49A

3 way Block used for connecting external dropwire cable to internal wiring. Came in grey or ivory.

Clip on cover.

For internal use.

 

Block terminal No. 50

The block fits inside a standard electrical back-box and is covered by means of a Cover No. 67.

Comes in two sizes.

For internal use.

 

Block Terminal No. 51

Terminal block for fixing in standard square conduit outlet boxes.

No. 51/12A – 12 terminals.
No. 51/24A – 24 terminals.
No. 51/1A – Terminal Strips for use in Boxes Connexion No. 1A, 2A and 3A and Cases No. 155A, 156A and 157A.

Block Terminal No. 52A

2 pair screw block used on 700 type telephones.

For internal use.

Black, Yellow, Red, Green, Blue, Grey and Ivory.

 

Block Terminal No. 58A/12

12 way pressure pad, twin screw flexible type. Can be cut to smaller sizes.

First used on Motorway phones.

Block Terminal No. 60A

For internal & external connexions at subs premises. Included provision for mounting Protectors, Electrode No. 1B.

Available in grey and ivory.

 

Block Terminal No. 62A & 62B

Block for 36 amp, 500 volt conductors up to 4mm with cover.

No. 62A - 6 way
No. 62B - 4 way

Block Terminal No. 66A & 66B

For terminating 2 pair & 5 pair cables. 2 pair and 3 pair screw type inserts, supplied separately and fitted as required.

For external use.

Superseded Block terminal No. 18.

 

Block Terminal No. 68A

This is a BT No. 67A/20 mounted on a base.

Field trial item available in ivory only.

 

Block Terminal No. 69A

Two BT No. 67A/20's mounted on a base.

Field trial item available in ivory only.
 

Block Terminal No. 71A

For terminating Cables PET within hollow distribution poles.

Hangs within the pole.

Block Terminal No. 72A

20 pair Block Terminal complete with 11 metre tail of 20 pair PE sheathed cable for use on poles and external distribution.

Block Terminal No. 77A

3 pair IDC block.

For internal use.

 

Block Terminal No. 77B

3 pair screw block.

For internal use.

 

Block Terminal No. 78A

4 pair IDC block.

For internal use.

 

Block Terminal No. 80A

3 wire screw - IDC.

For internal use.

Connects external cable to internal cable.

 

Block Terminal No. 80A RF2

As BT 80A but with radio frequency suppression to suppress LW/AM radio signals only..

3 wire IDC connector.

For internal use.

Item code 870157
 

 

Block Terminal No. 84A

3 pair screw - IDC.

For internal use.

 

Block Terminal No. 85A

Block for taking wiring only.

 

Block Terminal No. 89A

6 pair IDC block.

For internal use.

 

 

Block Terminal No. 92A

3 wire IDC block

For internal use and found on Red Care circuits

 

 

 
 
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Last revised: December 27, 2010

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