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johnmark 发表于 2016-8-15 17:16 
' J- t" L' q0 LUL 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: ~" Y( p2 C% y M2 w
91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an" K( O' V* l' k
attachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as
\# y$ {$ m4 S8 @described in this section.
: u& h0 G4 s" H/ v lException: A cord connector that has provision for locking the plug in place after the blades have been
) s* }. W2 H* _4 a5 Cinserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.
- J6 V0 R4 B6 C* }/ o' F6 A; o5 B! i91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its+ A0 K9 V) S# J/ J$ e" h
mechanism defeated. See 90.2.
! g/ d. e9 k m% d' }! I. y91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a
5 c) P. v1 b1 p! `) lstandard solid-blade attachment plug that has American National Standard detent holes in accordance
" r: `/ i% ]7 Qwith Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following
1 F. ~9 v! L6 j4 H* s1 o1 ?which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration/ F* R: g: u! E' w7 j
indicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the
) z& ^0 r3 h/ [, f" {. Icord connector and tending to withdraw the plug from the device is then to be applied to the plug for 13 {" j+ i; W+ e( o
minute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).
0 x' J3 h+ l3 R1 P# `; O# B# \Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and& [' S% M2 r4 ]% j3 @7 @6 A
109.3 (conditioning and 3 lb retention).1 F `" N9 x. q$ B8 i/ S, B
91.3 revised November 16, 2012
4 i( |* D. W& f3 Y
G2 r. _. g0 l5 D7 J) K; B109 Retention of Blades Test% Q" {* R( R* Z( R
109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be
/ Z' @0 c# c4 Hsubjected to the retention of blades test described in this Section.
1 b1 S4 p5 B, H( B& R; Q8 |Exception: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the& f2 d: O8 [, X5 f, s/ t
flush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.5 f; u2 U0 J+ ~( N" G/ i! H
109.1 revised November 16, 2012+ Q% j# r9 B3 d( S6 c
109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are
/ \. t7 b) J* v/ L+ z8 Dto be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see
9 u- K2 Y& T' V5 [Figure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.
/ c% l3 }+ v9 j7 ?/ sThe force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).0 z3 R8 I/ |, l* e( ~- {
The gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends
+ y) Y, b: @( V# p) qof the blades.& w# }- U2 x, `% b) t
109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure
3 o C& g6 N( V- o1 a/ C109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to( l5 W1 O! q* ]
the test blade in a direction normal to the plane of the face of the specimen and in a direction that tends
( ]# c4 o8 c2 f6 Xto remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be
% v$ X4 L' D' n9 o |% Ymore than 0.079 inch (2 mm) displacement of the test blade.7 T- J! H& r! H; g6 I
; g( H$ q2 E; ^( y' K+ ?
2 H! F+ v3 }# C; S, n应该有3处有要求。9 R1 r; Q* D4 g9 a4 f
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