I found that the wire reach of all 3 cables can connect to entities greater then their reaching distance.
It works for both the power station and the big pole.
An entity like a combinator has a small reach, but when you attach a wire to a power station or big pole, then suddenly it has a medium or big reach.
Even though the cursor was just showing the red cross of the too-big-of-a-distance.
( I did forum search, and I think it was only resolved for copper cables in version 6, so a small pole cannot be connected to a big pole from big distance. )
[16.51 vanilla] long wire reach
Re: [16.51 vanilla] long wire reach
Thanks for the report. It's now fixed for 0.17.
If you want to get ahold of me I'm almost always on Discord.