Application:

    These conductors have multiple ratings. Depending upon the product application, allowable temperatures
   are as follows:
   *  THHN or T90 Nylon- Dry locations not to exceed 90° C
   *  THWN-2- Wet or dry locations not to exceed 90°C or locations not to exceed 75°C when exposed
       to oil
   *  THWN- Wet locations not to exceed 75°C or dry locations not to exceed 90°C or locations not              
       to exceed 75°C when exposed to oil

Standard:
   * ASTM - B3, B8, and B787 (19 Wire Combination Unilay-Stranded)

   *  UL Standards 83, 758, 1063, and 1581
   *  CSA C22.2 No. 75, T90 Nylon/TWN75 Sizes through 1000 kcmil
   *  NOM-ANCE 90°C
   *  Federal Specification A-A-59544
   *  NEMA WC-70 (ICEA S-95-658) Construction Requirements