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johnmark 发表于 2016-8-15 17:16 
3 G" j' S2 S4 m& S9 bUL 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， ...
2 E$ O0 C, P; W0 X& `91 Retention of Plugs Tests
! @2 E) L6 e- o1 W6 H8 p91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an3 k# |% |- J4 p( Y* x; F* _. J& g5 [8 b
attachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as2 k4 K$ N* B7 n) m
described in this section.1 O3 Y7 Z4 j+ h! }# S+ [" P
Exception: A cord connector that has provision for locking the plug in place after the blades have been! g' A3 {$ m: L) t
inserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.4 j" H% C2 Q+ r
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its
& J$ Q0 L2 A2 a+ K/ j2 P, Umechanism defeated. See 90.2.
% l$ ^) e$ T1 z) D91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a) p. t7 _) `( S4 M/ d
standard solid-blade attachment plug that has American National Standard detent holes in accordance7 E# @' g5 p( \8 { N- Q
with Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following
" N. \' J! B- V7 X8 C$ ?which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration
! m2 I( M' g5 b4 gindicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the
8 c% S7 b, ?0 W3 E( `, C8 ?1 Bcord connector and tending to withdraw the plug from the device is then to be applied to the plug for 1
6 a( J% e& P( Y( `minute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).& s5 P6 Q. B a
Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and
3 _/ q) ?9 D @+ a+ t; U109.3 (conditioning and 3 lb retention).$ L& E) b( O$ ]
91.3 revised November 16, 2012, ^+ t5 x& n+ r8 b1 n
7 }2 Q0 y. X: `* u j9 p) _
109 Retention of Blades Test' |* F: }: ?) |. W8 X% P
109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be
% f9 f. ^2 ?" F- y, Q) ksubjected to the retention of blades test described in this Section., d: |& |3 X5 b7 _
Exception: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the) M: }8 l/ k2 A5 J3 s: q( k, `
flush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.! s1 m3 Z4 m7 v
109.1 revised November 16, 2012
( c" i2 b$ ~8 w109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are
& D# o/ k8 I+ V+ u# eto be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see( e0 J7 I" E( K" Y
Figure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.$ q( `+ {0 q4 a/ w( v7 K7 p5 M, C9 D
The force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).7 k, B$ L- p8 R6 C" k- ?
The gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends8 y: e$ Q* |! g! C
of the blades.% U2 `5 O2 _' x! E: H P4 l. s
109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure
o6 l1 A. M9 p" l+ t. }' r( M109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to
; ?$ T! ~$ y) M1 N( [2 T3 b hthe test blade in a direction normal to the plane of the face of the specimen and in a direction that tends
7 k$ f: @* s5 D& e# W5 z/ Jto remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be
/ k9 s8 \; i# g* Imore than 0.079 inch (2 mm) displacement of the test blade.9 q; d. n& L: r
v7 |. C2 i9 Y/ ^
) O0 |2 u4 h3 h' p- W应该有3处有要求。* h1 ~- j1 I, J6 W
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