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Part No.
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Use
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| Plug No. 112 |
I way plug used for meter testing. Length
32mm and Diameter 9mm.
ATM Part - L57233A.
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| Plug No. 116 |
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| Plug No. 201 |
Switchboard plug with 2 contacts. Size -
81mm x 12mm.
A gauge.
Plessey Part - N6464.
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| Plug No. 222 |
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| Plug No. 226 |
2 point, black moulded body with
nickel-silver springs. ATM Part - L57240. |

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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. |

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| Plug No. 244A |
2 pole Krone plug used for testing. Bridges
contacts instead of breaking them in strips connections.
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| Plug No. 301 |
Switchboard plug with 3 contacts. 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 |
Three 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. 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. 319 |
Three way plug. Size - 80 x 10.
C Gauge.
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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. 3, 19 and
65. ATM Part - T678. Plessey Part -
N6419B.
Click here for additional pictures.
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Plug No. 406 |
Four way flat plug. Size - 65mm x 44mm x
21mm.
Used with Jack No. 8.
Plessey Part - N6402A.
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Plug No. 407
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Four way plug used with Jack No. 13.
Used when telephones require portability.
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| Plug No. 411 |
4 way, stainless steel springs with 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.
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 four way plug used on Fuse Mountings
No. 8064 and 10064. |

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| Plug No. 422 |
Break plug used on MDF jack strips |

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| Plug No. 430A |
Left hand latch - 4 way - used on handset cords.
Used with CW1311 cord. 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. 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 |
Five way flat plug. Size - 65mm x 56mm x
21mm.
Fits into a Jack No. 10.
Drawing - 62303.
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| Plug No. 503 |
Five way plug used on
Keysender No. 5. This Plug locates into a standard switchboard
dial mounting.
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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. 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 |
This plug consists of two Plugs No. 317, at
1/2" centres.
They are used in Telephone Repeater Stations.
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| Plug No. 610 |
Effectively a double Jack No. 316.
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. 616 |
Six way plug.
Fits into a Jack 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. 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 |
Eight way plug.
Fits into a Jack No. 82.
Drawing - CD955.
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Plug No. 902 |
9 way plug used on the Keyboard, Baudot Mark
5.
Connects to a Jack No. 25. |
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Plug No. 1202 |
12 way, used with the Jack No. 30. Used on the Mechanism No.
13 which was fitted in a
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.
Size - 79mm x 34mm x 28mm. Drawing - 9398. ATM Part - T3458. |
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| Plug No. 1205 |
12 point, black moulded body with nickel-silver springs. ATM Part -
L57240. |

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| Plug No. 1206 |
12 way plug.
Fits into a Jack No. 75.
Drawing - CD955.
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| Plug No. 1803 |
Eighteen way plug.
Fits into a Jack No. 78.
Drawing - CD955.
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| Plug No. 2403 |
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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.
Has a buzzer incorporated in the design.
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| Plug No. 2405 |
Twenty four 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 |
Thirty three 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.
Has a buzzer incorporated in 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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