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clause 4.7 有提到 0 B, |- B% t9 ?" ?8 T" P, s
Examples of methods deemed efficient to prevent a wire from becoming detached are:; h, `" w7 u$ L
a) wires are retained by a cord anchorage adjacent to the terminals;
* |$ C; f3 K8 vb) conductor is clamped by a spring type screwless terminal;
7 u+ f/ a: O0 Lc) the wire conductor is anchored to the tag before soldering, unless breakage close to the soldering place is' g3 J9 S. Y# }8 u+ V8 @5 c: t
likely to occur as a result of vibration;' K, ?' B A5 ?: z. w0 R4 v
d) wires are twisted together in a reliable manner;! M3 d; G, d5 Z6 h0 j& ?
e) wires are fastened together by insulation tape, sleeves, or the like;
/ I3 x4 x( F8 a2 Q# Tf) the wire conductor is inserted into a hole in a printed board, bent and soldered, the hole having a diameter
Z& r* ?! w! v1 p# uslightly greater than the conductor;. m! C5 M9 {% E5 N- k% ^. h
g) the wire conductor is securely wrapped around the terminal by means of a special tool (see Figure 19);
- \% R' E% B* a) l2 oh) the wire conductor is crimped to the terminal by means of a special tool (see Figure 19).' h, s" p/ c$ P# \, w3 M
The methods under a) to h) apply to internal wiring and the methods under a) and b) to rewireable external flexible
# g& E5 d" M2 f+ O2 Jcords. |
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