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johnmark 发表于 2016-8-15 17:16  , i" c# @5 K. G. s, x1 p6 p R
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 Tests M* w% z0 ` { ?9 D! T
91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an3 [) I0 K# b6 Z8 l) V7 _
attachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as7 |) X+ `" @$ r
described in this section.
$ a6 L1 @3 h3 cException: A cord connector that has provision for locking the plug in place after the blades have been3 ?2 k# q V% D$ M* g# N, s: I
inserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.. V" Z* x; J9 X$ G, x% Y
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its
' [* F2 X: u: A9 G7 L) m6 [mechanism defeated. See 90.2.
! E( {' b6 O4 n$ t" n91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a
" U$ h$ R. d/ @9 a9 J( d& |standard solid-blade attachment plug that has American National Standard detent holes in accordance
! U l2 R4 M2 Iwith Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following5 t2 i% f0 a. A& c/ Y
which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration& [1 \, _6 e f" y1 P
indicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the. `: q) U- l. n( N2 g% [- ~
cord connector and tending to withdraw the plug from the device is then to be applied to the plug for 1
( n0 r' r/ \0 B+ p2 `minute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).6 u# ]4 E5 }( T+ ~+ F* @, m
Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and
) X3 |: ^0 R4 Y109.3 (conditioning and 3 lb retention).
; V/ M! _* d4 [- g6 G' u& a91.3 revised November 16, 2012
8 `. ]1 A( u/ X2 W9 A2 [# x
# e3 J: O6 m6 d# q e9 f& H109 Retention of Blades Test
2 C7 U2 J3 b% r1 W109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be
. D( D7 b( c0 \subjected to the retention of blades test described in this Section.$ B* z# n) b5 b2 C2 d) b
Exception: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the) L9 t F+ U" r$ a4 q
flush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.
1 l$ y# U/ x2 v* E/ |109.1 revised November 16, 2012
0 x! E3 v- Y7 X7 n+ u2 w109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are0 b2 M# P$ m* D+ g0 z9 B! m
to be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see
3 v3 d$ b) H' s* Q( wFigure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.
, U4 l1 D) W: N( pThe force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).
1 e, J" L/ a7 qThe gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends% x$ C, I& L' C" I3 Y3 Y$ Q$ {
of the blades.
# n5 m @: @& [ v/ X+ L109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure6 f+ H& ]& Q0 o
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to
) L5 a z- U" w9 {$ J8 I1 j9 l+ Vthe test blade in a direction normal to the plane of the face of the specimen and in a direction that tends _" E; o4 f- v j# u3 L
to remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be' |+ e4 W" n2 Z. N( U
more than 0.079 inch (2 mm) displacement of the test blade.
) ^" ?, X0 N3 R
1 Q, {* H7 J7 V" A* W4 |- [' w3 c) H; e, f+ _3 M d
应该有3处有要求。# g2 |' E, v" M
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