No, it's not safe.
Always assume the contactors have failed and the wires are live.
Use personal protective equipment, triple check for voltages, use insulated tools.
Assume the builder or tech that worked on it before you was an idiot.
Always assume the contactors have failed and the wires are live.
Use personal protective equipment, triple check for voltages, use insulated tools.
Assume the builder or tech that worked on it before you was an idiot.