D. Unsealed Butt Splice Configurations - One Wire to One Wire - Butt Splice, Sleeves
Table 64
INSULATION REMOVAL LENGTH
Splice Part Number
Insulation Removal Length L
(inch)
Target Tolerance
BACT12C12 0.35 ±0.03
BACT12C4 0.53 ±0.03
BACT12C4NK 0.47 ±0.03
BACT12C6 0.53 ±0.03
BACT12C6NK 0.53 ±0.03
BACT12C8 0.47 ±0.03
BACT12C8NK 0.53 ±0.03
D-609-06 0.28 ±0.03
D-609-07 0.28 ±0.03
D-609-08 0.28 ±0.03
NAS1387-4 0.28 ±0.03
NAS1387-5 0.28 ±0.03
NAS1387-6 0.28 ±0.03
NOTE: A satisfactory alternative for an uninsulated butt splice and sleeves on one wire is an insulated
butt splice on one wire. Refer to Paragraph 6.B.
(1) Make a selection of an uninsulated 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.
(4) Make a selection of a Temperature Grade B heat shrinkable sleeve from Table 51.
INSULATION REMOVAL LENGTH
Figure 30
ASSEMBLY OF SPLICES
707, 727-787
STANDARD WIRING PRACTICES MANUAL
20-30-12
Page 73
Feb 15/2021D6-54446
ECCN 9E991 BOEING PROPRIETARY - See title page for details
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