Hand-Held Motor-Operated Electric Tools – Safety – Part 2-15: Particular Requirements for Hedge Trimmers
standard by Underwriters Laboratories, 06/28/2010
Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 2-061: Particular requirements for laboratory atomic spectrometers with thermalatomization and ionization
standard by Underwriters Laboratories, 06/27/2019