USA Flexible Cord Explain XTW : parallel Integral, Decorative-Lighting Cords, 300V 105℃ CXTW : Twisted Pair & Single Conductor, Decorative-Lighting Cords, 300V 105℃ S(Service) : Heavy duty, rubber-insulated and rubber jacketed overall, 600V SE : Same as S, using thermoplastic Elastomer in place of rubber SEO : Same as SE, but with Oil resistance out
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