BPO WIRING DIAGRAMS
AND DRAWINGS
This page links you to two spreadsheets and the spreadsheet download page.  One spreadsheet is for N diagrams (Telephone apparatus circuit diagrams) which has links (links are separated, one for Web users and one for CD users) and the other is for all other diagram types, but has no links.

All listings are in Excel format - the spreadsheets can also be downloaded to your PC by - right click - save to disk.

DIAGRAM INFORMATION - List of all the BPO diagram prefix's
DIAGRAM SPREADSHEET  - (All diagrams except N, in Excel Worksheet format) - large file
N DIAGRAM SPREADSHEET  - (N Diagrams only, in Excel Spreadsheet format) - large file

DOWNLOAD THE SPREADSHEETS  - Zipped files

Here is a short list of the most requested diagram types:-
FA - WIRING DIAGRAMS (FIRE SYSTEMS)
N - DIAGRAMS (TELEPHONES & PBX)
PA - WIRING DIAGRAMS (POLICE SYSTEMS)
Q - DIAGRAMS LIST (HES AND ITS)
SA - WIRING DIAGRAMS
T - WIRING DIAGRAMS (TESTING)
TG - WIRING DIAGRAMS (TELEGRAPHS)

 
 
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Last revised: December 21, 2010

FM