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johnmark 发表于 2016-8-15 17:16  ; R5 k% F* M! `9 f/ p
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， ...
' M' Q; E; K! }! x% p {91 Retention of Plugs Tests
& j7 _' \) j7 j/ K91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an6 w/ v! d! o, Q$ y* f
attachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as
" m' W1 ~7 n# @0 _described in this section.7 g2 u6 u' k/ `, a+ N! v
Exception: A cord connector that has provision for locking the plug in place after the blades have been( ?8 _$ q3 K4 T% }
inserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.6 ^% G) `2 n( y
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its
+ a7 ]. n) j- e* i* Fmechanism defeated. See 90.2.0 c0 o. k8 A) B0 W
91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a2 T3 R9 j" ?! _% X3 @
standard solid-blade attachment plug that has American National Standard detent holes in accordance2 J* h2 w& r, H# F; C. L# m
with Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following# Y1 E! y; B4 Q8 ]5 k
which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration
. |/ w* N7 e0 ^' ]7 B/ X& ]9 `indicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the
' t% w1 \4 T" f3 e" Y: Lcord connector and tending to withdraw the plug from the device is then to be applied to the plug for 1, T; n; G8 T$ m4 n
minute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).& W2 F" I; i5 Z+ @, l
Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and
& l2 v g1 v# h- Y# q7 P: I109.3 (conditioning and 3 lb retention)./ @- k l' n+ W- e
91.3 revised November 16, 2012, ~+ H' m; ^ s$ K$ L( D
- @% V1 T* A3 ?109 Retention of Blades Test/ c7 Q. o6 P6 f
109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be# k! [' z! j8 K( Z) u# m0 j$ k
subjected to the retention of blades test described in this Section.
. r v# j+ w3 H* }, CException: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the
% C; F- k; U7 b7 Pflush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.: n2 B; ^& A" \; N- P$ _
109.1 revised November 16, 2012
& z/ i. Y+ O( s7 I$ z5 J* J$ x9 X109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are, \+ L0 u0 a) C8 a9 V$ f1 D# c! h
to be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see
2 f' h/ N; j9 }$ q# K/ }2 LFigure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.7 O; r" X( R. x3 X* T$ T! ], L2 d, _
The force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).
# q0 G2 [8 U( W! y. J5 `The gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends' R. R# N# g. T. d" S1 `( H, r
of the blades.
! A3 `. {& ?. E% T5 ]/ }+ Y109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure# P* c+ J" ~ s+ i4 }3 }8 W
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to3 i% V0 c. J ` T$ f1 y, N
the test blade in a direction normal to the plane of the face of the specimen and in a direction that tends8 @/ e6 Z- b$ ~. O) r7 T3 @) ]
to remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be) P* M! W6 L# l8 {5 {
more than 0.079 inch (2 mm) displacement of the test blade.
# u: H7 s3 R+ F; Y
2 w9 D3 \' t" N' i+ X4 N
: `$ \4 W) p, x5 Z+ N8 Y h. r应该有3处有要求。
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