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johnmark 发表于 2016-8-15 17:16  : H1 |+ C% v% U& v1 A, a# ?" ]
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， ...
2 O; ^7 M _7 S; ^$ k+ l91 Retention of Plugs Tests8 p: r8 H8 r. @; F. B% F% J$ l
91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an; o! C! n b; l& R* h" p
attachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as$ p- n: H! a- o8 y1 h4 u' k# e
described in this section.
; A( j9 k1 D' TException: A cord connector that has provision for locking the plug in place after the blades have been
6 P T9 g' {, X. C9 `' r) E1 ~$ einserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.: g7 b; R0 }4 P e7 J
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its8 ?2 T- n; ]6 P
mechanism defeated. See 90.2./ F$ z; a4 d6 i3 l) {0 ~ ]
91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a
3 B5 C6 ?( Q- L7 {( Pstandard solid-blade attachment plug that has American National Standard detent holes in accordance
: k1 d8 F; x4 {5 V- pwith Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following2 s2 u# a, d, I9 q1 {. ~* y1 M- A
which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration- k4 n; p4 R% M4 h
indicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the
/ }, ?% |" X) ~; q+ g4 Hcord connector and tending to withdraw the plug from the device is then to be applied to the plug for 1 W( U D5 G3 Y6 c7 W
minute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).8 f/ J% ~9 h% l" z& ?( }
Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and. Z- `; P2 o4 I, G
109.3 (conditioning and 3 lb retention).
, H0 s/ E0 y) A p; \" d; C$ {91.3 revised November 16, 2012 |6 c6 g- u% y5 S9 }5 H- `
; c! _% Z& s1 S( q% g6 a& _109 Retention of Blades Test0 `8 b# ?: j& S( l- e- z0 {3 C( ]
109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be
$ [( Q4 J2 k9 ?5 rsubjected to the retention of blades test described in this Section.2 Q8 u: q) l& v
Exception: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the
5 f4 u; T- O0 X ], cflush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.
1 f( C; y5 p: k3 q1 f2 k109.1 revised November 16, 20126 a2 C" L! `& |- w! k' z! F
109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are8 o0 e+ J" a; H; x5 u
to be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see
! D' W, g6 l& _+ n5 }! Q( q" uFigure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.' j; J% R, ]5 C1 D
The force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).8 B: t- B# a) y3 B! ]5 y
The gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends
* X$ d3 }& E6 |9 V( R0 U* v, Qof the blades.
9 @0 H# `8 y: n. E4 g3 o109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure) [" p! S7 N$ u' {
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to6 k9 V& Z" B* j- U& H) e1 m8 b
the test blade in a direction normal to the plane of the face of the specimen and in a direction that tends
! V- S' i" |; `* Cto remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be
+ {) |) S" d/ T& l/ ymore than 0.079 inch (2 mm) displacement of the test blade.
6 e; c. r# S* ?: \' [: ?( v9 N3 F; C u
; N8 A9 {, {) q) F1 e: V应该有3处有要求。2 _* ?- B$ R! d! a
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