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  • Chapter 9: Aircraft Electrical System › Wire Termination › Stripping Wire

    bundle, secured by a square knot. [Figure 9-150] Wire Termination Stripping Wire Before wire can be assembled to connectors, terminals, splices, etc., the insulation must be stripped from connecting ends to expose the bare conductor. Copper wire ... wire must be stripped using extreme care, since individual strands break very easily after being nicked. The following general precautions are recommended when stripping any type of wire: Figure 9-147. Wire lacing. 1. When using any type of wire…

  • Chapter 4: Engine Ignition & Electrical Systems › Powerplant Electrical Systems › Slack in Wiring Bundles

    Spliced Connections in Wire Bundles Spliced connections in wire groups or bundles should be located so that they can be easily inspected. Splices should also be staggered so that the bundle does not become excessively enlarged. [Figure ... noninsulated splices should be covered with plastic, securely tied at both ends. Slack in Wiring Bundles Single wires or wire bundles should not be installed with excessive slack. Slack between supports should normally not exceed ½ inch. This is the maximum…

  • Chapter 4: Engine Ignition & Electrical Systems › Powerplant Electrical Systems › Twisting Wires

    Wire Groups & Bundles Grouping or bundling certain wires, such as electrically unprotected power wiring and wiring to duplicate vital equipment, should be avoided. Wire bundles should generally be limited in size to a bundle of 75 wires, or 2 inches ... diameter where practicable. When several wires are grouped at junction boxes, terminal blocks, panels, etc., the identity of the group within a bundle can be retained. [Figure 4-91] Twisting Wires When specified on the engineering drawing, parallel wires must…