Ive worked in mining before and ive also worked in hydro yards with high voltage high voltage meaning anything over 1kv but more likely 4160 , 7200 13.8 kv and up require you to be extremely careful ruber gloves and hot sticks are a must. ( always but always do your tests on your gloves they must be tested by a testing agency and the expiration date stamped on the glove check them for air leaks because a pin hole could mean your life hot sticks must also be tested and expirary stamped on them. msha is mining safety and health common core is probably what your going to get for training im in canada and there are differences but write in here for your concerns there are lots of us who can guide you in your concerns also never work ion anything that is not grounded and locked out its your life.
