1) Don't send someone to do something, that you wouldn't do yourself.
2) Don't trust a clown in a rainbow wig.
3) Always Connect the ground and neutral first and leave them in for last!
4) Don't hire a guy named Richie to operate your water race.
5) Always make sure your lock-out device is in place before going under or behind a ride.
If I think of more, ill post em.