Now to be fair, when this absolutely exploded big-time on my garage bench it would theoretically have been inside an enclosure and would also theoretically have put its own fire out......
I now know how much air gets drawn into my attic from the garage area by my ventilation system, as all that vapour/smoke came into the house!
I've got mixed thoughts about this type of device. An electrical fault in a panel can often self sustain by the passage of current through carbonised insulation, so even if this did put a fire out, it may then reignite. This device also shot its flames and burning matter so wide that it damaged equipment on both sides of it, and has left a notable skidmark on my new bench.
If you wish to leave a huge skidmark on your own bench then this came from AliExpress (not a sponsor) and came from this listing:-
https://www.aliexpress.com/item/1005008986318521.html
Note that this is TWICE the price of other listings like these:-
https://www.aliexpress.com/item/1005009878973524.html
https://www.aliexpress.com/item/1005009184863672.html
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https://www.youtube.com/watch?v=BftBRaU4dQw