(d) Crimp the splice.
(11) Put two layers of insulation tape on the splice assembly.
(a) Tightly wind the first layer of tape on the splice assembly.
Make sure that the layer:
• Starts 0.6 inch minimum farther than the end of the splice on the side with one wire
• Stops at the rear end of the layers of tape on the two wires on the other end of the
splice assembly
• Makes a 50 percent overlap.
(b) Tightly wind the second layer of tape on the splice assembly in the opposite direction of the
first layer.
Make sure that the layer:
• Starts where the first layer stops
• Stops where the first layer starts
• Makes a minimum 50 percent overlap.
POSITION OF THE WIRE IN THE BUTT SPLICE WITH THE WIRE INSULATION IN THE INSULATION GRIP
Figure 140
POSITION OF THE WIRE IN THE BUTT SPLICE WITH THE WIRE INSULATION OUT OF THE INSULATION
GRIP
Figure 141
ASSEMBLY OF SPLICES
707, 727-787
STANDARD WIRING PRACTICES MANUAL
20-30-12
Page 166
Jun 15/2021D6-54446
ECCN 9E991 BOEING PROPRIETARY - See title page for details
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