Old Zinsco panel, with damage noted 

Undersized main panels 

Suspect breaker systems 

Antiquated fuse system 

Damaged compression fitting 

Exposed LIVE wires 

Service entrance lines too low 

Services lines on a metal roof 

Scorched wires inside main 

Paint overspray in main panel 

Double tap, undersized breaker 

Main Bonding Jumper not connected