This new edition of ANSI/UL 1238 includes clarification of the following:
Revision to scope to include monitoring and LP-Gas applications; addition of applicable component standards in new Appendix A; information regarding undated references; addition of glossary term for Limited Current Circuit; hazards in paragraph 5.1.1; metal plate requirements for equipment located over a classified area; requirements for snap-on covers; requirements for non-metallic parts; requirements for adhesives; speaker openings; Rain Test; operating handles; corrosion protection; deletion of obsolete wire types; Classified location motor requirements; heater requirements; insulating material requirements; fusing and regulating network requirements for limited power circuits; requirements for limited current circuits; dielectric voltage withstand testing; installation instruction and markings for products intended to be used with other equipment; markings for intrinsic safety barriers having voltage and current levels below Class 2 output; and revision based on NEC change.