The Little Giant Fiberglass Type 1A features nonconductive fiberglass side rails, so its perfect for electrical contractors. The Little Giant is designed to be one of the safest ladders. Since its adjustable, the Little Giant can be used safely on stairs, ramps, curbs, docks or other uneven surfaces. Because it is constructed of nonconductive fiberglass resin, the Little Giant Fiberglass Type 1A is perfect for working safely around electricity. The Little Giant Fiberglass Type 1A is made of a patented fiberglass resin. So its both stronger and lighter than traditional fiberglass ladders. The Little Giant Fiberglass Type 1A is stress rated for industrial use, with a 300 pound government rating.