Lineworkers: What's the correct term for this Animal?

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Hello all;

Whaddaheck is the correct term for these Line Position changing setups, used with M.V. and H.V. distribution?

I know what it is for (at least I think so...) - Capacitive Reactance corrective measures for long circuits.
Just never knew what it should be called - or better yet, what the trade slang term is.

Seen it on many circuits strung on steel towers - and see it done on 12 to 66 KV circuits strung on wood poles;
just not as elaborate as what are seen on steel towers.

Any info is appreciated!

Scott35

Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!