I disagree. My money is on a weak connection. If you're seeing 200VAC then it's not a short. Especially if you see two volts on one side of the breaker. That suggests an open or nearly open circuit. A short would burn out a wire somewhere. Since we don't know how "Jungle" wiring is run - we can only guess.Sounds to me like you have a short. With the breaker out, measure the resistance across the wires out if the breaker.
This I agree with. Loose connection somewhere.Unplug the refrigerator and use lights; check splices and tighten clean terminals.
Some people call EVERY electrical problem a Short. A short is a serious problem as it creates a short cut pathway back to the source and can cause excessive heat, hence the need for a breaker to trip when too much current is drawn. On the other hand, people rarely call an electrical issue as an Open. An open circuit means it's broken somewhere. Since the TS found two wires touching - and if they were truly a short there would be bright flashes of light when they touched. VERY bright. An open - or an intermittent connection such as described can cause sparking but not the bright flash of light. The sparking is caused by a load somewhere down stream of the power source.It was checking the splices that I found the issue. Two sections of spliced wire had no electrical tape and were touching, so this created a "dead short".
The two wires that were touching: Have they been isolated from each other? Did that solve the problem? Or have they been properly connected, rectifying the problem?