The ground loop in a nutshell is what happens ... loop and a good portion of that loop is right next to the live wire of the building power with a constantly changing current.

“I observed what appeared to be a grounding wire for the chamber involved in the incident was wrapped in electrical tape and was clearly in worse condition or inconsistent with the other ...

“I observed what appeared to be a grounding wire for the chamber involved in the incident was wrapped in electrical tape and was clearly in worse condition or inconsistent with the other ...

"I observed what appeared to be a grounding wire for the chamber involved in the incident was wrapped in electrical tape and was clearly in worse condition or inconsistent with the other chambers ...