Dangerous angles Safe angles 4 5 ° m a x 4 5 ° m a x Wire is pinched in clamp “Z” member “Angle” member Cable clamps Angle bracket Incorrect Correct Figure 4-92.  Proper mounting angle for cable clamps. Figure 4-94.  Mounting cable clamps to structure. Lockwasher external teeth Lockwasher split Self-locking nut  Nut Plain washers Plain washer Screw Cable clamps Figure 4-93.  Typical mounting hardware for cable clamps. 4-55 Figure 4-96  shows the steps in lacing a wire bundle with a  single cord. The lacing procedure is started at the thick end  of the wire group or bundle with a knot consisting of a clove  The material used for lacing and tying is either cotton or  nylon cord. Nylon cord is moisture- and fungus-resistant,  but cotton cord must be waxed before using to give it these  necessary protective characteristics. Wire groups and bundles are laced or tied with cord to provide  ease of installation, maintenance, and inspection. This  section describes and illustrates recommended procedures for  lacing and tying wires with knots that hold tightly under all  conditions. For the purposes of this discussion, the following  terms are defined: Clamps can be used with rubber cushions to secure wire  bundles to tubular structures.  [Figure 4-95]  Such clamps must  fit tightly but should not be deformed when locked in place. are not pinched in cable clamps. Where possible, mount them  directly to structural members.  [Figure 4-94] Lacing and Tying Wire Bundles Single-Cord Lacing 2.  Lacing is the securing together of a group or bundle  of wires by a continuous piece of cord forming loops  at regular intervals around the group or bundle. 1.  Tying is the securing together of a group or bundle  of wires by individual pieces of cord tied around the  group or bundle at regular intervals.