He is capping the wires and wrapping them with electrical tape for safety. This was a 3 globe that was destroyed in a knockdown this morning. The system is 240v.
There are 2 240v circuits entering and exiting, one 240v just passes thru and the other is tapped for the light. It is steel rigid conduit as a ground.
This was an aluminum pole too, prolly Hapco. Rick works for the city DPW and hes responsible for the city owned streetlights, the rest are the responsibility of Southern California Edison.