PRODUCT NAMETYPECONFORMING TO STANDARDPDSSDSTO 335 HUninhibitedIS 335-2018 Type IITO 335 HTTrace InhibitedIS 335-2018 Type IITO 335 HXInhibitedIS 335-2018 Type IITO 20UninhibitedIEC : 296-1982 Class ITO 20 BSUninhibitedBS : 148-1984 Class ITO 20 XInhibitedIEC : 296-1982 Class I ATO 20 BS XInhibitedBS : 148-1984 Class I A