tomferry
Active member
I personally think though a torch”s lumen”s in a mine environment is also as equally important. If your head is going to get hit it’s usually from a trip/slip/fall not bringing srt into this, you could say that having something that is not a acceptable standard of lighting is to blame. I myself believe you need a minimum of 150 lumen”s of walk mode in a mine to be comfortable. When your in wide passages you can’t see the sides with much less ”false floors” stopes everything then becomes a real risk just because a low power torch .