So I made a thread of threads - here are all my #RailwaysExplained threads on electrification.
Overlaps
https://mas.to/@25kV/110644578048445228
OLE steelwork sizes
https://mas.to/@25kV/110644665373263606
Windspeeds
https://mas.to/@25kV/110645244203695875
UK pantograph types
https://mas.to/@25kV/110679686963723421
Insulated pantograph horns
https://mas.to/@25kV/110883132371935477
Broken droppers
https://mas.to/@25kV/110758670084722186
Presag
https://mas.to/@25kV/110844127928942709
Open Air ROCL
https://mas.to/@25kV/110844181939857304
Spark gaps and surge arresters
https://mas.to/@25kV/110866820613809092
My thread of #RailwaysExplained threads part 2:
Trolley OLE
https://mas.to/@25kV/110882092974327945
Test Trains
https://mas.to/@25kV/110895234449246235 and https://mas.to/@25kV/113148923879902980
Dewirement Causes
https://mas.to/@25kV/110929145688339021
Neutral Sections
https://mas.to/@25kV/110950964955189049
Return Conductors, Booster Transformers and Auto Transformer Feeders
https://mas.to/@25kV/110962276174171304
Discontinuous Electrification
https://mas.to/@25kV/110996151196964706
Mountain Railways
https://mas.to/deck/@25kV/111280249438688521
AC and DC electrification development
https://mas.to/deck/@25kV/111748932389752156