SVT : Same as SV, using Thermoplastic in place of rubber
构造同SV，但绝缘及被覆皆为塑料材料，可以加一条接地线，使用电压300V，温度范围有60℃、75℃、90℃及105℃。
SV : Vacuum cleaner cord, rubber insulated and jacketed, light duty in damp locations
表示真空吸尘器(Vacuum-Cleaner)用线。以橡胶绝缘橡胶被覆，单线心数为2心，使用电压300V，导线尺寸范围AWG#18~AWG#17，温度60℃。
SJT : Same as SJ, using Thermoplastic in place of rubber
亦为UL规格移动型电缆，以橡胶或塑料绝缘，外被为PVC。使用压300V，温度60℃，心数2~4C，导体尺寸范围AWG#18~AWG#10。
SJ : Junior hard service, same as S but300V, thickness different