30 CFR 77.704-9
Operating disconnecting or cutout switches.
Disconnecting or cutout switches on energized high-voltage surface lines
shall be operated only with insulated sticks, fuse tongs, or pullers which
are adequately insulated and maintained to protect the operator from the
voltage to which he is exposed. When such switches are operated from the
ground, the person using such devices shall wear protective rubber lineman's
gloves, except where such switches are bonded to a metal mat as provided in