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johnmark 发表于 2016-8-15 17:16  ) {/ w* X- ]. `' m. ]* b
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
2 c& \, o) Q2 y7 d0 t91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an
8 }) \" t9 z6 U: L0 F* Aattachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as
) O Q$ ~9 N5 b3 ]' _described in this section.5 J+ U. { ~9 J6 w% X
Exception: A cord connector that has provision for locking the plug in place after the blades have been7 R. I+ F4 m# P7 g& g) s: K- _
inserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.6 N- q& D2 m) M5 v2 g/ J
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its
0 D9 z3 D \6 `1 J7 i9 z. Zmechanism defeated. See 90.2.
3 a$ k+ K( J9 y' p+ H91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a
$ N7 x: T) G* r8 T- estandard solid-blade attachment plug that has American National Standard detent holes in accordance
% T0 E# r! E2 t( @with Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following8 W& [+ F$ U4 [7 m6 }- R1 h6 X
which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration
1 S: y% l7 a3 M: i; Jindicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the+ Q2 a \3 o# G: M) e/ @' K( a; p
cord connector and tending to withdraw the plug from the device is then to be applied to the plug for 14 N2 y+ L6 O# P& n8 s
minute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).
! I$ `1 P% G4 u* }Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and* ]/ f" @+ n* {3 O: D
109.3 (conditioning and 3 lb retention).8 z, p9 A0 l* W9 ^2 k1 V2 u+ D
91.3 revised November 16, 2012
* o$ K8 N8 {" O8 P8 [+ `5 j) P; @
* {$ z2 P9 P2 {3 ]/ A109 Retention of Blades Test& n& o3 T/ b( T4 R! x( i
109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be u, ?& i6 m$ b% K; p% J
subjected to the retention of blades test described in this Section.; ]7 a) @8 s9 \4 }* K+ n. u
Exception: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the* E3 K) x- k/ R# C8 ^/ a! r
flush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114., Z; I7 g$ c4 K; |
109.1 revised November 16, 2012
! \& y) ~3 [, q* Y" x& L109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are% k, H6 v6 i2 C- [* x7 x
to be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see4 i! y C7 s5 ~! P( x6 k. _
Figure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.
5 K( S& J& J: A$ XThe force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).& ?/ V5 D+ k/ l/ ]( L
The gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends. v1 m5 {% |! M/ ^7 t
of the blades.3 O- M. S' G% U7 D+ h1 ^6 a2 \, H7 r
109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure0 J( d1 k6 I8 |+ p7 j4 _0 ^# f
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to$ g( U. y p6 D& s. Z# z8 J
the test blade in a direction normal to the plane of the face of the specimen and in a direction that tends
& i) A$ p9 Q" [: B; u& F. yto remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be; n/ \/ a. O F5 {5 p
more than 0.079 inch (2 mm) displacement of the test blade.2 c8 m' }- q5 Z. u
4 F, k3 C+ t. F: c5 i
4 Q* w7 s" K U5 C% L# v应该有3处有要求。6 x; e* ?( I- |: o& }
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