I think it's a supposed to be what happens when a drill bit goes into a house's main power feed.(In my opinion it's not.)
Unless I'm badly mistaken a drill bit in this part of a house's circuit has only one LARGE circuit breaker hopefully near the transformer to protect it and that breaker is designed for lightning strikes and to carry the full load of a house.
I enlarged the image and noticed some straight edges and a couple of square artifacts in the carbon scoring placed around the image portion holding the drill bit.
Also the drill bit and the power wire at the bit itself is suspect, copper wire is very malleable, the plastic insulation covering the internal wires and the outer is strong and wouldn't cut uniformly without pulling and distorting around the bit.
As I mentioned above this bit, as placed should be shorting out a house's entire power load with only the possibility of a very large circuit breaker possibly at the transformer to stop it.
Given the amount of power supposedly shorting through the bit I think the damage is to localized and limited, it would almost certainly have burned the house or burned a large hole in the wall and had smoke and heat damage running up the wall for several meters.
hmelton
Unless I'm badly mistaken a drill bit in this part of a house's circuit has only one LARGE circuit breaker hopefully near the transformer to protect it and that breaker is designed for lightning strikes and to carry the full load of a house.
I enlarged the image and noticed some straight edges and a couple of square artifacts in the carbon scoring placed around the image portion holding the drill bit.
Also the drill bit and the power wire at the bit itself is suspect, copper wire is very malleable, the plastic insulation covering the internal wires and the outer is strong and wouldn't cut uniformly without pulling and distorting around the bit.
As I mentioned above this bit, as placed should be shorting out a house's entire power load with only the possibility of a very large circuit breaker possibly at the transformer to stop it.
Given the amount of power supposedly shorting through the bit I think the damage is to localized and limited, it would almost certainly have burned the house or burned a large hole in the wall and had smoke and heat damage running up the wall for several meters.
hmelton