Document yrb78D7jbGkKye42KVXgDrq4X

30 REFERENCE STANDARD FOR ELECTRICAL WIRES. CABLES, AND FLEXIBLE CORDS -- UL 1581 DECEMBER 17. 1991 TABLE 47.1 -- concluded - INDEX TO INSULATION AND JACKET MATERIALS Material Ap'plicable Table(s) or Paragraphs in This Standard SBR/I1R/NR -- see "Rubber" Silcone rubber insulation from Type SA Class 22 insulation and insulation from power-limited eircuit cable and power-limited fire-protectivesignaling circuit cable Table 50.205 Table 50.210 TFE Class 12C PTFE insulation and PTFE insulation from Type TFE Table 50.219 ' TPE Class 36 105C insulation and jacket Class 36 insulation and jacket and insulation and jacket from power-limited circuit cable and powerlimited fire-protective-signaling circuit cable Table 50.223 Table 50.224 XL 90C (194F) jacket from Type USE cable 75*C (167*F) jacket from Type USE cable Jacket from cable for deep-well submersible water pumps XL insulation from Type XHHW, SIS, RHH, RHW, and RH and power-limited circuit cable and power-limited fire-protective-signaling circuit cable Table 50.228 Table 50.229 Table 50.230 Table 50.231 XLPE insulations: Class 29 Class 31 Class 33 Table 50.237 Table 50.241 Table 50.245 XLPO insulation: Class 38 Table 50.232 Table 47.1 revised December 17, 1991 50. Specific Materials 50.2 Class 19 impregnated-asbestos insulation shall consist of the best grade of long-fiber, Class 19 Impregnated Asbestos chrysotile asbestos, commercially free from or Insulation ganic material and metallic oxides. The asbestos shall be well carded to keep lumps and irregular 50.1 Class 19 impregnated asbestos is asbestos ities from appearing in the finished conductor saturated with a flame-, heat-, and moisture- insulation, and shall not be loaded or weighted. resistant compound. It is acceptable where sub It shall be applied as firm, compressed, felted jected to 1500 C (302 F) and lower temperatures Fibers. as insulation on Type AF Fixture wire. The composition of the impregnating compound is 50.3 The insulation shall be thoroughly dried not specified. and then saturated with an electrically Paragraph 50.1 revised December 17, 1991 nonconductive and flame-, heat-, and moisture- resistant compound. The impregnating com pound shall retain its initial qualities during the normal life of the wire or cord, and shall not de-... velop any damaging chemical action within itself or with any component of the finished wire or cord. *Replaces page 30 dated December 16, 1991 COPYRfGHT 1983, 1991 UNDERWRITERS LABORATORIES INC. 0048