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johnmark 发表于 2016-8-15 17:16  # R& k0 p* a% O0 V2 q' p r9 s6 u; u
UL 498对插头有测试拨出力的要求吗？今年才接触UL产品上班时间没有太多的时间看标准，UL标准觉得很不好看， ...
91 Retention of Plugs Tests4 P. H2 V8 F& V# k
91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an
+ c5 X# Q8 W$ r4 y# B! ]5 h- Jattachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as
/ }4 f: s; ]9 B1 o; D) Ldescribed in this section.
* {6 |/ y8 r( f7 L+ l& gException: A cord connector that has provision for locking the plug in place after the blades have been
, y' w% h5 X9 q6 N, V! c% ainserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.1 w0 v/ Z0 v, V/ i. ~' D' Z
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its
, m& s/ K9 a; U2 ~5 v! r' Wmechanism defeated. See 90.2.
2 {6 o% }2 j. e# p6 V, [6 ~91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a
1 P4 _5 x+ Y" Astandard solid-blade attachment plug that has American National Standard detent holes in accordance
" r) _5 f4 ~" D$ lwith Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following
6 |$ i4 @5 R; i4 g' H( ^- z; ~which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration
, U, B7 {! B; Y3 \0 X. uindicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the
8 ^7 O+ P( m/ k; I1 Lcord connector and tending to withdraw the plug from the device is then to be applied to the plug for 1+ h! D; @9 E: ]' X( |9 e
minute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).( A3 O' U, m% v6 R& t9 I
Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and
7 J/ B* f2 t1 i& m2 M% `; I109.3 (conditioning and 3 lb retention).
5 N" l+ Q+ m6 C) ^) v9 E+ M91.3 revised November 16, 2012. H7 `3 E, E I8 P6 w& {9 W6 F
5 x% i. f: }+ X1 W( O
109 Retention of Blades Test/ y0 o% B( e7 m) D [
109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be
" F0 ^, b V# ]- z! F7 d$ Fsubjected to the retention of blades test described in this Section.8 p5 ? H$ L ^) e5 K+ u6 ~$ {
Exception: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the( _* C$ S8 I T% B. Y2 o; L
flush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.
7 C% _/ |6 D1 [4 ^# T. X109.1 revised November 16, 20124 t9 e5 n/ A) W* Q' B9 e# ~
109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are9 L- Z9 W& u) m. h- T( ~1 s
to be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see6 p0 N2 V) M, j' ?9 O/ B- F( B
Figure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.: W- N* C* Y7 W5 v3 I% m9 ?
The force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).# Q) g# G6 y% D
The gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends% D+ V! q+ a: J0 _. ]
of the blades.$ a- e0 }4 S1 E
109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure$ J6 e/ @* v$ Y0 `! `
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to# h6 B1 Z! X( F `3 N) V- ^
the test blade in a direction normal to the plane of the face of the specimen and in a direction that tends$ g1 @, v* X* u7 N8 \
to remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be* f' m/ S+ Z f n& s, Z+ ]
more than 0.079 inch (2 mm) displacement of the test blade.
2 T9 N9 M9 \- @" @% G. i. i4 ?% K- }/ Q3 }; [, O8 ^
: A8 v# Z# B' z/ Z应该有3处有要求。4 \+ D5 H6 x) I
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