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AC 43.13-1B CHG 1 9/27/01 specify which color is associated with each wire identification code. Identification sleeves are normally used for identifying the following types of wire or cable: a. Unjacketed shielded wire. b. Thermocouple wire identification is normally accomplished by means of identifi cation sleeves. As the thermocouple wire is usually of the duplex type (two insulated wires within the same casing), each wire at the ter mination point bears the full name of the con ductor. Thermocouple conductors are alumel, chromel, iron, constantan, and copper constantan. c. Coaxial cable should not be hot stamped directly. When marking coaxial ca ble, care should be taken not to deform the ca ble as this may change the electrical charac teristics of the cable. When cables cannot be printed directly, they should be identified by printing the identification code (and individual wire color, where applicable) on a nonmetallic material placed externally to the outer covering at the terminating end and at each junction or pressure bulkhead. Cables not enclosed in conduit or a common jacket should be identi fied with printed sleeves at each end and at intervals not longer than 3 feet. Individual wires within a cable should be identified within 3 inches from their termination. d. Multiconductor cable normally use identification sleeves for identifying un shielded, unjacketed cable. e. High-temperature wire with insulation is difficult to mark (such as Teflon and fiber glass). 11-215. IDENTIFICATION TAPE. Identi fication tape can be used in place of sleeving, in most cases (i.e. polyvinylfluoride). 11-216. OPERATINGCONDITIONS. For sleeving exposed to high temperatures (over 400 °F), materials such as silicone fiberglass should be used. 11-217. INSTALLATION OF PRINTED SLEEVES. Polyolefin sleeving should be used in areas where resistance to solvent and synthetic hydraulic fluids is necessary. Sleeves may be secured in place with cable ties or by heat shrinking. The identification sleeving for various sizes of wire is shown in table 11-17. Table 11-17. Recommended size of identification sleeving. Wire Size AN AL Sleeving Size No. Nominal ID (inches) #24 #22 #20 #18 #16 #14 #12 #10 #8 #6 #4 #2 #1 #0 #00 #000 #0000 #8 #6 #4 #2 #1 #0 #00 #000 #0000 12 11 10 9 8 7 6 4 2 0 3/8 inch 1/2 inch 1/2 inch 5/8 inch 5/8 inch 3/4 inch 3/4 inch .085 .095 .106 .118 .113 .148 .166 .208 .263 .330 .375 .500 .500 .625 .625 .750 .750 Page 11-86 Par 11-220 11-218. IDENTIFICATION OF WIRE BUNDLES AND HARNESSES. The identi fication of wire bundles and harnesses is be coming a common practice and may be ac complished by the use of a marked sleeve tied in place or by the use of pressure-sensitive tape as indicated in figure 11-25.PDF Image | AFS-640
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