Many of our panels would interconnect to other panels.
K5/F3/103 would equate to K5 = kiln 5 F3 = a starter draw in row 6, 3[SUP]rd[/SUP] from the top 103 the wire number for that particular starter
The product handling plant had inputs from all over the place. About the only way to isolate everything to that panel would be open the 11KV breakers. (You wouldn’t be popular!). Every starter had the same wiring layout no matter where it was.
Having to read upside down was thrown out early on
Reply to the thread, titled "which way should cable numbers be fitted?" which is posted in Commercial Electrical Advice on Electricians Forums.
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