These requirements cover manual and power-operated type portable hoists intended for use with scaffold s suspended by wire rope.
This standard covers electrically powered hoists rated 250 volts or less to be employed in nonhazardou s environmental locations in accordance with the National Electrical Code, NFPA 70.
A product that contains features, characteristics, components, materials, or systems new or different from those in use when the Standard was developed, and that involves a risk of fire, electric shock, or injury to persons, shall be evaluated using the appropriate additional component and end-product requirements as determined necessary to mai ntain the level of safety for the user of the product as originally anticipated by the intent of this Standard.