Essex Royal brand 18 awg 30 mil 600 v 500 ft: AWM suitable for internal wiring of appliances where exposed to temperatures not exceeding 105 C or where exposed to oil at a temperature not exceeding 60 C maximum voltage 600 volts. Insulation 30 Mils. WARRANTY INFORMATION NO NEED FOR NEGATIVE OR NEUTRAL FEEDBACK. If there a problem, Contact us before leaving feedback. We try to be perfect but once in a while we make mistakes, but always take care of your e-mails and resolve all problems related with every part we sell. We want you completely satisfied and prefer that you contact us before leaving me any negative remarks. We try to package and ship next day but is not our only business. We may choose to reuse good boxes and be a Green seller. Money back guarantee if you are not happy with the part, you pay return shipping. On Apr-07-16 at 13:05:59 PDT, seller added the following information: View more great items