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Part No.
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Use
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Plug No. 104 |
One way plug used with Cord, Instrument No.
201.
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| Plug No. 112 |
One way plug used for meter testing. Length
32mm and Diameter 9mm.
ATM Part - L57233A.
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| Plug No. 116 |
Plug used with Protectors H.C. and Test 40B.
Used with a Cord, Instrument No. 101.
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| Plug No. 117 |
These plugs are part of Cords, Test No.
2/144A.
Drawing - 62601.
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| Plug No. 118 |
A plug consisting of a 1-way spring.
Used on Cases, Plugging-up. Engages sleeve only (by spring pressure).
Diagram - 9741.
Gauge - B, C or F.
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| Plug No. 119 |
A wedge type plug used on Jacks, Test No. 4.
They are part of Cords, Test Nos. 3/72A, 5/153A.
Drawing -
62600. |

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| Plug No. 201 |
A 2-way switchboard plug. Size -
81mm x 12mm.
A gauge.
Plessey Part - N6464.
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Plug No. 204 |
A plug used on the Jack No. 15.
Uses a
Cord, Instrument 264.
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Plug No. 205 |
A plug used on the Jack No. 16.
Uses a
Cord, Instrument 264.
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Plug No. 209 |
A 2-way plug used on Jacks No. 501 A.O.
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Plug No. 215 |
This is a 2-way plug used on the
Telephone No. 66.
Used with Cord, Instrument
No. 201.
For use with Boxes, Fire Alarm, No's 1 - 6 & 8.
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| Plug No. 220 |
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Plug No. 221 |
2-way plug with pins.
Used with Jacks
No. 39.
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| Plug No. 222 |
2-way plug used for testing on Protectors, Heater Coil and Test No.
40B.
Sleeves can be coloured: red, cerise or black.
Drawing
- 9408.
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| Plug No. 223 |
This plug consists two Plugs, Cordage Nos.
112 2/F at 4" centres in a single cover.
Used on Jack, Test No.
13 Hole, Test, M.
Drawing - 9566. |

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| Plug No. 226 |
2-way plug with black moulded body,
nickel-silver springs and guide.
Used on a Telephone No. 80 when
testing 2000-type selectors and relay-sets (See also Plugs Nos. 220 & 230)ATM Part - L57240.
Drawing - 61215.
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| Plug No. 227 |
This plug is part of Cords, Test No. 2/12A.
It consists of two, 1-way sockets.
Used on Jack, Test No. 19.
Drawing - 62301. |

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| Plug No. 230 |
Combined 2-way flat pin and two, 1-way flat
pins with guide.
Normally found with a Cord, 2/95F, 48".
Used on Jacks, Test, Nos. 7, 8, 9 and 21.
Drawing - 70018. |

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| Plug No. 231 |
This plug consists of two, 1-way spring pins
at 1" centres.
Part of Cords, Test No. 2/68A.
Used on the
Socket Part No. 1/SS0/14.
Drawing - 66012.
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| Plug No. 235A |
Plug with integral lamp. Used on 50 volt supplies
to provide power to portable small tools, such as soldering irons.
Takes a Lamp No. 2 (voltage)
They were still in
production - go to the Astralux web site
Old style is shown to the top. If fitted with a lamp, the
earlier plugs used to get very hot - so beware of fitting a lamp! B
gauge. Drawings - 88144 and 88145. |

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| Plug No. 236 |
A plug that consists of two, 1-way flat pins.
Drawing - 64246. |

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Plug No. 240A |
Combined 2-way flat pins and 2, 1-way flat
pins with guide.
Used on Jacks, Test No's 7, 8, 9 and 21.
Drawing - 71237.
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| Plug No. 242A |
For use in TXE2 exchanges.
Used with
the Connector No. 2070.
See Cord, Connecting No. 6/10B.
Drawing - CD2587.
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| Plug No. 243A |
A plug that consists of two, 1-way pins.
Used to connect to the Jack No. 137A.
Normally found on 700
type telephones with internal batteries.
Drawing - CD2643. |

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| Plug No. 244A |
2 pole Krone plug used for testing. Bridges
contacts instead of breaking them in strips connections.
Used on Cord, Connexion D94469 and D94470.
Drawing - CD2928.
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| Plug No. 246A |
Drawing - 88111. |

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| Plug No. 301 |
A 3-way switchboard plug. Size -
81mm x 12mm.
A gauge.
Accepts a Sleeve, Out of Order No. 2, Blue.
Plessey Part - N6454.
Drawing - 62608.
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Plug No. 309 |
A 3-way plug, used on CBS No. 1 Exchanges. Size - 80mm x 10mm.
C Gauge.
Accepts a Sleeve, Out of Order No. 1, Blue. Drawing - 60660.
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Plug No. 310 |
Three way plug. Size - 82mm x 11mm.
B Gauge. Drawing - 9984.
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Plug No. 312 |
Three way plug used on CB No. 10 and No. 12
Exchanges.
B Gauge.
Used with Cords, Switchboard No. 324 and
No. 340.
Used in Grimsby and Stockport only.
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| Plug No. 316 |
Three way plug used on most late GPO switchboards.
Size - 79mm x 11mm.
Last found on the Astralux web site. B gauge. Plessey Part -
N6486. Drawings - 60183 and 91509. |


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Plug No. 317 |
Part of Plugs No. 609 and 610.
B
gauge.
Drawing - 60184.
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Plug No. 318 |
For change-over purposes at losing automatic
exchanges. B-wire disconnected and N.U. tone applied by
removal of Wedge, Locking, No. 6 at transfer.
The plug is used in conjunction
with Wedges, Locking No. 6.
Used on Protectors, H.C. and Test No.
40B.
Drawing - 62602.
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Plug No. 319 |
A 3-way plug. Size - 80mm x 10mm.
C Gauge. Drawing - 90197 (Mark 9).
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Plug No. 320 |
A 3-way plug, coloured Light French Grey, for
use on Switchboard PMBX No. 4/1A.
B gauge.
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Plug No. 401 |
Two 2-way plugs No. 201 at 23/32" centres
under one cover.
A gauge.
Drawing - 7545.
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| Plug No. 402 |
A 4 pin, semicircular plug, used in
conjunction with a Jack No. 8.
It is part of a Mounting, Dial,
Automatic No. 4 and No. 5.
Made of Ebonite.
Drawing - 8504.
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| Plug No. 404 |
Bakelite covered, 4-way, large, brass plug, in
general use before the introduction of the Plug No. 420. Cover is
made of Ebonite.
Size - 97mm x 29mm. Used with Jack No's 3, 19 and
65. ATM Part - T678. Plessey Part -
N6419B. Drawing - 9954 (Mark 5).
Click here for additional pictures.
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Plug No. 406 |
A 4-way, round pin, flat plug. Size - 65mm x 44mm x
21mm.
Supersedes Plug, Instrument, N.T. No. 1. Used with Cords 4/03B,
4/l2A, 4/17A, 4/27A and 4/54A.Used with Jack No. 8.
Plessey Part - N6402A.
Drawing - 7263 (Mark 1).
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Plug No. 407
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A 4-way plug used with Jacks No. 6 and No. 13.
Used when telephones require portability.
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| Plug No. 408 |
This consists of two 2-way plugs (Plugs No. 201) at 5/8" centres under a
single cover.
A gauge.
It is used as a test plug in
Telephone Repeater Stations.
Drawing - 9176.
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| Plug No. 409 |
This is a 2 pin, 4 conductor, flat plug.
It is used in Automatic
exchanges, with a Cord, Instrument No. 249, on a Telephone No. 80.
Superseded by the Plug No. 410.
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| Plug No. 410 |
This is a 2 pin, 4 conductor, flat plug with a flange.
It is used
in Automatic exchanges for routine testing.
Supersedes the Plug
No. 419.
Drawing - 63326.
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| Plug No. 411 |
A
4-way plug with stainless steel springs and ebonite separators enclosed in a
metal casing.
Size - 79mm x 34mm x 28mm.
Introduced in 1930.
Drawing - 9209.
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| Plug No. 417 |
Four way plug, with flat pins. Used on Tester TRT43.
Fits into a Jack No. 77.
Drawing - CD955.
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| Plug No. 418 |
Plastic covered 4-way plug. Similar in
construction to Plug No. 420. This is a NATO plug.
Superseded by
the Plug No. 420.
Drawing - CD1027.
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| Plug No. 420 |
Plastic covered 4-way plug, universally used by the BPO.
The plug has a frusto-conical shaped tip, contact
rings separated by insulators along the barrel, screw on cover and cable
retention
feature. For use with Jacks No. 84 and 95.
Colours:-
Black, Grey and Ivory.
Introduced Circa 1957 and superseded the Plug No. 418.
Size - 54mm x 21mm.
Lastly manufactured by Astralux. Drawings -
SD73 and 90842. General purpose plug used with many Jacks. Plessey
part - N6432A.
Click here for use
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| Plug No. 421 |
Plastic 4-way plug used on Fuse Mountings
No. 8064 and 10064.
Used with Cords, Test No. 4/120A and 4/153G.
Drawing - 91440. |

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| Plug No. 422 |
Break plug used on MDF jack strips, Jack,
Test No. 33/1A.
Used with Cord, Test No. 4/120A.
Drawing -
91441. |

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| Plug No. 423 |
A 4 pin plug contained in a steel casing with
a fixing spring. Pins 2 and 5 are omitted.
Drawing - CD2078.
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| Plug No. 430A |
Left hand latch - 4-way - used on handset cords.
Used with CW1311 cord.
Drawings - 88003, 88005 and 88037. Click here for
more information |

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| Plug No. 431A |
Right hand latch - 4-way - used on line cords.
Used with CW1311 cord.
Drawings - 85483, 88004 and 88005. Click here for
more information |

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| Plug No. 432A |
Right hand latch - 4-way. Used with CW1311 cord.
Click here for more information
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| Plug No. 440A |
4-pole Krone plug used for testing. Breaks contacts in disconnect
style strips connections.
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Plug No. 501 |
A 5-way flat plug. Size - 65mm x 56mm x
21mm.
Fits into a Jack No. 10.
Drawing - 62303.
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| Plug No. 503 |
A 5-way plugs used on
Keysender No. 5. This Plug locates into a standard switchboard
dial mounting.
Drawing - 60406.
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| Plug No. 505 |
5-way variant of Plug No. 420. Last
manufacturer was Astralux. Drawings - 91571 and 92877. Cord wiring
details - SD106. |

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Plug No. 510A
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Plug No. 601 |
6-way plug utilising two Plugs No. 301, at 23/32" centres,
under one cover.
Used with Cord, Instrument No. 607 in
conjunction with Jacks No. 14.
Introduced circa 1926.
Drawings - EC933 and 8774.
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| Plug No. 602 |
6-way plug utilising two Plugs, Switchboard, N.T. No. 7, less covers, at
3/8" centres, under one cover.
Used
with Jacks, Switchboard, N.T. No's 15 or 1025.
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| Plug No. 606 |
6-way, stainless steel springs with ebonite separators enclosed in a
metal casing.
Size - 79mm x 31mm x 28mm.
Introduced in 1930.
Drawing - 9248.
ATM Part - T3456. |
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| Plug No. 609A |
A 6-way plug consisting of two Plugs No. 317, at
1/2" centres, under one cover.
They are used in Telephone Repeater Stations.
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| Plug No. 610 |
A 6-wau pug, consisting of two Jacks No. 316,
under one cover.
Dimensions
1.15in. x 0.62in. x 4in. |

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| Plug No. 611 |
6-way,
black moulded body with nickel-silver springs, strengthened with metal
plates. ATM Part - L57234.
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| Plug No. 612 |
A 6-way plug used with Jacks No. 64.
Earlier plugs are fitted with a bell shaped cover.
Drawing - 62598.
Diagram - N664.
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| Plug No. 616 |
A 6-way plug, used with Jacks No. 83.
Drawing - CD955.
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| Plug No. 620A |
6-way variant of Plug No. 505.
Click here for more pictures.
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| Plug No. 630 |
As Plug No. 430 but with 6 connectors.
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Plug No. 631 |
As Plug No. 431 but with 6 connectors. |
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| Plug No. 701 |
A 7-way plug, with flat pins and an Ebonite body, used with Jacks No. 7
and 9.
Used with Cord,
Instrument No. 7/02B.
These are special to Lloyds.
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| Plug No. 801 |
8-way, stainless steel springs with ebonite separators enclosed in a
metal casing.
Size - 79mm x 31mm x 28mm.
Drawing - 9397.
ATM Part - T3457. |
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| Plug No. 803 |
8-way plug with flat pin connectors.
Fits into a Jack No. 82.
Drawing - CD955.
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Plug No. 901 |
9-way, flat, plug for use on the Receiver,
Baudot No. 2.
Used with a Cord, Instrument No. 903.
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Plug No. 902 |
9-way plug used on the Keyboard, Baudot Mark
5.
Used with a Cord, Instrument No. 904.
Connects to a Jack No. 25. |
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Plug No. 1001 |
A plug comprising of five, 2-way flat pins with guide.
For use on
Meter Racks in Director exchanges.
Used with Jacks No. 33, 34 and
35.
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Plug No. 1202 |
12-way, with one way pins, used with Jacks No. 30. Used on the Mechanism No.
13 which was fitted in a
Box,
Coin-collecting No. 13 or Box, Cash No. 5.
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| Plug No. 1203 |
12-way, stainless steel springs with ebonite
separators enclosed in a metal casing.
Used on Jacks, Test No.
12.
Size - 79mm x 34mm x 28mm. Drawing - 9398. ATM Part - T3458. |

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Plug No. 1204 |
A 12-way plug only used at the Dorchester
Hotel on Telephones No. 200.
Used with a
Cord, Instrument No. 11/02G 72".
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| Plug No. 1205 |
A
12-point plug, with black moulded body with nickel-silver springs. ATM Part -
L57240. |

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| Plug No. 1206 |
12-ay plug.
Fits into a Jack No. 75.
Drawing - CD955.
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Plug No. 1607 |
A 16-way plug generally used with the Box, Coin Collecting No. 14.
Drawing - 90896
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Plug No. 1608 |
This is a 16-way Plug used with a Jack No. 93, used on the Carrier
System WB400.
Made by McMurdo, their red range 16 way barrier polarised connectors
(Plug No. RP16 and Jack No. RS16).
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| Plug No. 1803 |
Eighteen way plug with one way flat pins.
Fits into a Jack No. 78.
Drawing - CD955.
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| Plug No. 2403 |
A 24-way plug generally used on testers. |

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| Plug No. 2404 |
24-way plug used to connect HES transfer
units to the internal multiple wiring.
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| Plug No 2404A |
24-way plug used
to connect HES No. 1 telephones unit to the internal multiple wiring.
A buzzer is incorporated in the design.
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| Plug No. 2405 |
24-way plug.
Fits into a Jack No. 76.
Drawing - CD955.
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| Plug No. 3201 |
32-way plug used on relay sets and selectors
in telephone equipment racks. Locates in a Jack No. 129
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| Plug No. 3301 |
32-way plug.
Fits into a Jack No. 79.
Drawing - CD955.
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| Plug No. 4001A |
40-way plug used to connect HES No. 2 telephones to the internal
multiple wiring.
This plug has a buzzer incorporated into the design.
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| WE4 |
Used for terminating handset cords |

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| WE6 |
Used for terminating line cords |

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| RJ45 |
8 way plug used for terminating computer network
cables - see Category 5 wiring |

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