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johnmark 发表于 2016-8-15 17:16 
* X$ |5 I! F% dUL 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， ...
0 [& c. ?2 L1 i2 x* G91 Retention of Plugs Tests
" U3 e& ~4 f. b+ o- u( I/ Q4 i2 g91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an
6 J( v) P: w& r0 M9 Gattachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as
7 d K6 q5 H) F3 `0 k$ }0 Qdescribed in this section.
" @: n3 [1 }, M1 @$ hException: A cord connector that has provision for locking the plug in place after the blades have been
3 \' t4 j' q! L3 Ninserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.
2 a L+ d* R1 E' r# [7 v8 ~91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its# M& i' G w4 U G/ s
mechanism defeated. See 90.2." g% a& U1 K5 v6 J, b9 F, G" I
91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a( L8 P6 E( C/ h+ t5 T9 w" D
standard solid-blade attachment plug that has American National Standard detent holes in accordance
* {7 q" _( H8 z! J# C/ ?" J/ v# Rwith Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following; ?# w% O; q, J& y! d, E
which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration
1 S! V# h/ {# A0 l2 Mindicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the
% [' p; J! ^ ^; n1 p' jcord connector and tending to withdraw the plug from the device is then to be applied to the plug for 19 g, @9 T5 M& Z
minute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).7 s/ Z, n. A8 }
Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and) \, e y: E8 c# [
109.3 (conditioning and 3 lb retention).
) ~3 I/ ?3 |+ b' A( ^( F91.3 revised November 16, 20127 \. y! ]5 [/ C4 u+ ]% n
8 n8 M d- R0 M) J- B' ?: Q
109 Retention of Blades Test+ q ]8 Y) H5 S$ M& \* \. s: H
109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be
, E+ f$ ]# S1 l+ y# X( w) \5 h6 K9 ^subjected to the retention of blades test described in this Section.: ~2 M' x* \& Z, E* Y
Exception: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the
/ c+ X' {; H3 g# _+ ~4 Rflush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.
9 [& X# Y7 C/ N3 d4 D- e109.1 revised November 16, 2012
9 |$ P& Y* _5 k' O7 Z109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are
6 } E% L( {) J; d4 `to be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see
$ h( E n5 N) X0 R2 R4 S5 i- MFigure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.4 } v4 [& N3 F7 v- B3 `
The force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).$ X5 |" i1 _, n# J$ V$ p9 m
The gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends
+ w! K, S" [+ kof the blades.1 u, Q3 g, B& ~, M2 P
109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure: }9 |5 R3 v, S5 i8 z% o
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to* p; W* T6 c% B" Q
the test blade in a direction normal to the plane of the face of the specimen and in a direction that tends
' n$ G7 o+ y% w+ H0 b& q* }3 N1 |to remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be
4 Z! a- w2 F7 \5 I4 H7 `! C' E+ N8 ^) Qmore than 0.079 inch (2 mm) displacement of the test blade.
% ], S3 B4 k6 ?: C! l# i' F) H& E
7 m' w. g0 n/ I6 L; A, h/ J应该有3处有要求。
) B8 B$ F: j m6 l" x; u3 s7 {! t |
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