| Definition: | any device, extensible, articulating, or both, made essentially of insulating components and which is primarily designed and used to position personnel at an electric potential different from that of earth Note 1 to entry: An insulating aerial device may also be used to handle material if designed and equipped for that purpose. Note 2 to entry: An insulating aerial device does not include a chassis. When an insulating aerial device is mounted on a mobile chassis it becomes a component of a mobile elevating work platform (MEWP).
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