... type wire rope electric hoist is a kind of light duty lifting equipment with advantages of tight structure, light weight, small volume, ... viz. Hoisting Gear Box, Hoisting Motor with brake, Rope Drum, Electric Control Panel and Traveling Trolley. All these units are ... . The factor of safety, on the nominal breaking strength of the rope is six.Rope Drum: Grooved Drum, seamless pipe of adequate length to ...