I've noticed that about 10k objects mainky located in USA tagged with
power=busbar which seems to be equivalent to reviewed power=line +
I'm not sure if all those objects are actual busbars.
It may be good to carefully replace them with power=line + correct value of
line=* key since line=busbar is used twice more (as line=bay).
Changeset 514616010 as a test with lines now rendered on osm.org :
Feel free to discuss here if a particular situation isn't properly covered
by keys definitions
If you wish to improve also busbars and switchgears, have a look to
power=switch devices :)
All the best
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