Yes, firemen and the technical personnel who had to turn off the power in a room with 1-meter long arcs definitely could have gotten hurt. Also, > the level o

Yes, firemen and the technical personnel who had to turn off the power in a room with 1-meter long arcs definitely could have gotten hurt. Also, > the level of actual danger was quite high, 10 meter is nowhere near enough to ensure a fire won't jump over and it might suit you not to make insinuations on the level of danger if you don't have enough experience in the area you're talking about.