THHN/THWN Stranded annealed copper conductors. Insulation:THHN, or T90 Nylon conductor is suitable for use in dry locations at temperatures not to exceed 90°C. 90C dry/75C wet. Voltage for all applications is 600 volts. This cable may be inslalled without the need for pulling lubricant. Type THWN-2 or TWN75, conductor is suitable for use in wet or dry locations at temperatures not to exceed 90°C or not to exceed 75°C when exposed to oil. Images are for reference only See Product Specifications. Please order careful no returns accepted.