(1) Make a selection of a butt splice from Table 12 or Table 14.
Make sure that the splice has the smallest CAU range that can accept the total CAU of the
conductor.
Refer to Paragraph 1.D. for the procedure to calculate the CAU of the conductor.
(2) Find the crimp barrel size of the splice from Table 12 or Table 14.
(3) Make a selection of a crimp tool from:
• Table 43 for BACT12C() splices
• Table 44 for NAS1387-() splices
• Table 45 for BACS52K() splices
• Table 45 for Raychem D-609-0() splices.
(4) Make a selection of a Temperature Grade B or higher insulation tape from Table 52.
(5) Remove the necessary length of insulation from the end of each wire.
Refer to:
• Figure 40
• Table 67 for the insulation removal length
• Subject 20-00-15 for the insulation removal procedures.
Table 67
INSULATION REMOVAL LENGTH
Splice Part Number
Insulation Removal Length L
(inch)
Target Tolerance
BACT12C101 0.72 ±0.03
BACT12C12 0.34 ±0.03
BACT12C21 0.65 ±0.03
BACT12C4 0.53 ±0.03
BACT12C4NK 0.47 ±0.03
BACT12C6 0.53 ±0.03
INSULATION REMOVAL LENGTH
Figure 40
ASSEMBLY OF SPLICES
707, 727-787
STANDARD WIRING PRACTICES MANUAL
20-30-12
Page 81
Feb 15/2021D6-54446
ECCN 9E991 BOEING PROPRIETARY - See title page for details
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