CAPS, LAMP


Click here to see how CAPS, LAMP, Nos. 1, 2, 69, 70, 71 and 72 are part numbered.

 
Caps, Lamp No. 1

Used on switchboard multiple lamp strips.

Diameter - 0.373"
Diameter of barrel - 0.315"

Variants - 1B, 1C, 1F, 2A, 2B, 2D, 3A, 3B, 5A, 5C, 7A, 9A, 9C, 11A, 16A, 16C, 20A, 20C, 21A, 22F, 26A, 27A and 28A.

See Caps, Lamp No. 71/1A for ridged variant.
 

Caps, Lamp No. 2

Used on cord supervisory lamps on wooden switchboards.

Diameter - 0.408"
Diameter of barrel - 0.350"

Variants - 1A, 1B, 1C, 1F, 1G, 2A and 3A.
 

Caps, Lamp No. 5

Tubular, with screwed ferrule.

Used on Jacks, Lamp No.32.

 

 
Caps, Lamp No. 6

For Lamp-ftttings Nos. 1, 2, 3 and 4.

 
 
Caps, Lamp No. 7

Used in Teleprinter operator suites.

 
 
Caps, Lamp No. 9

Used with Ring, Clamping, No. 3, on Unit, Signalling TG5111.

 

 
Caps, Lamp No. 69

Diameter - 0.665"
Diameter of barrel - 0.563"

Used on wooden switchboards as section pilot lamps.

Variants - 1A, 1B, 1C, 1F and 28E.
 

Caps, Lamp No. 70

Similar to Caps, Lamp No. No. 69 but has no metal guard or stencil.  Lens is not frosted or matt finished and metal body is chromium plated.

 

 
Caps, Lamp No. 71/1A

Diameter - 0.373"
Diameter of barrel - 0.315"

The same as Caps, Lamp No. 1 except that the lens has concentric ridges to reduce reflection.

Variants - As Caps, Lamps No. 1.
 

Caps, Lamp No. 72/1A

The same as Caps, Lamp No. 2 except that the lens has concentric ridges to reduce reflection.

 

 
Caps, Lamp No. 74

Plastic, Semi-spherical -11/16" diameter.  Threaded.

For panel mounting.

Colours:-
Clear, Green and Red.

 
 
Caps, Lamp No. 74A

As for Caps, Lamp No. 74, but includes threaded end piece and nut, for 20 SWG (036") max. panels.

 
 
Caps, Lamp No. 76A

For use with Cover, Lamp, No. 1.

Colours:-
Amber Translucent,  Clear, Green Translucent, Light French Grey (Opaque - for use as a dummy), Opal Translucent and Red.

 
 
Caps, Lamp No. 76B

Light French Grey.  For use on Switchboard P.M.B.X. No. 4/1A.

Provides F.L.S. on Exch. lines and P/W's Lamp cap with arrow head aperture.

 
 
Caps, Lamp No. 77A

Moulded: for use with Jacks, Lamp, Nos. 56A and 56B.

Colours:-
Blue, Green, Red, White and Yellow.

 
 
Caps, Lamp No. 77B

Similar to Caps, Lamp No. 77A, but transparent.

Colours:-
Blue, Green, Red, White and Yellow.

 
 
Caps, Lamp No. 78A

 

 
 
Caps, Lamp No. 79A

Moulded domed rectangular lamp cap.  Used with Cover, Lamp, No. 6A.

Colours:-
Amber, Clear, Green, Red and White Translucent.

 
 
Caps, Lamp No. 79B

Opaque grey with translucent amber insert.  Similar to Caps, Lamp No. 79A.

Used with Cover, Lamp No. 6A on Jack, Lamp No. 57A.

First used Switchboard, PMBX No. 2/4A

 
 
Caps, Lamp No. 97C

Moulded flat rectangular lamp cap, suitable for engraving.

Used with Cover, Lamp, No. 6A

Colours:-
Amber, Clear, Green, Grey Elephant Grey (dummy), Red and White Translucent (Opal).

 
 
Caps, Lamp No. 80A

Red Translucent lens, mounted behind "Spk. Extn. Exch held" Key on Plan-set N625.

White Translucent lens, mounted behind "Extn. to exch" each Key on Plan-set N625.

 
 
Caps, Lamp No. 81A

Amber - For Unit, Signalling TG2218.
Clear - For Units, Telex., No. 8.
Green - For Units, Telex Nos. 6 and 6A.
Red - For Units, Telex Nos. 6 and 6A.

 
 
Caps, Lamp No. 83A

 

 
 
Caps, Lamp No. 84A

Used with Telephones, Intercom No. 4/1A.

Square, translucent plastic cover.
 

 
Caps, Lamp No. 85A Opal

Translucent, ½" square lens used on Cover, Lamp No. 6A.
 

 
Caps, Lamp No. 86A

Moulded semi-domed circular, 2.75 Watts max.

Used with Jack Lamp Nos. 5, 17A, 19A, 19B, 29, 29A, 30, 40, 40A, 50.

Colours:-
Numerous.

 

 
Caps, Lamp No. 88A

 

 

 
Caps, Lamp No. 89A

Position pilot lens for CSS No. 1 and 1A.
 

 
Caps, Lamp No. 90A

Used in TXE2 exchanges with Lamp-fitting No. 20/5A.
 

 

 

 
 
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Last revised: February 18, 2021

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