What are these wires attached to power lines?

These wires are attached to power lines next to Balboa Park on Balboa Island in Newport Beach, CA. I'm an electronic engineer, but I've got no idea what these would do.

image
Read also:

Metal Object with French writing on it

image

Roughly the size of your average coffee table. The weave portion is composed of leather straps.

image

I'm Happy for One Piece Fans

image

How this meeting would go:

image

Don't ask me how I find it , the never ending search for my Goddess lead me there

image

Anyone knows a good PMC isekai

image

The great anime battle of the century

image

Checkpoint!

For everything you have seen, theres your checkpoint! Get some rest!

image

Say Ah~

image

[Bocchi the Rock!] Nijika with Three Guitars

image