UL Standard for Safety Electrical Equipment for Laboratory Use; Part 2: Particular Requirements for Laboratory Equipment for Mixing and Stirring (First Edition)
This part 2 is applicable to electrically operated laboratory equipment and its accessories for mechanical mixing and stirring@ where mechanical energy influences the shape or size or homogeneity of materials and their accessories. Such devices may contain heating elements. The requirements for equipment which contain heating are given in IEC 1010-2-010.