|
|
johnmark 发表于 2016-8-15 17:16 
/ p- b6 O7 p+ F& mUL 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 Tests0 ?# d5 f' _) Y$ v' q% x
91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an
' G8 O: T h5 ?4 s2 D8 ?attachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as
, ~1 j. J2 E, e6 {' D( |described in this section.& r+ Z# o2 t+ ~, a
Exception: A cord connector that has provision for locking the plug in place after the blades have been) Q8 y4 B+ |( |
inserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.2 w4 T o' L d* `
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its# E3 n* _/ u& |2 g- V
mechanism defeated. See 90.2.
l, `4 L% d( }: A5 b* t91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a5 O+ K7 o1 M' c1 o8 s- @2 r# G
standard solid-blade attachment plug that has American National Standard detent holes in accordance
6 |+ E1 |% B5 }7 r9 Q) `7 n( owith Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following4 w* x# c% ` I' z& C, {+ a% n% v* m
which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration
* v+ D, K8 Z* W5 _1 o6 K) [9 Kindicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the
) o, Z( T! ^; d. u- E$ Gcord connector and tending to withdraw the plug from the device is then to be applied to the plug for 1
# R3 X" D# I, e& c; Ominute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).
5 z9 t' `2 _% |! @Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and
% E! G, R3 V6 Y/ A- v! l5 C109.3 (conditioning and 3 lb retention).
8 h$ h) x, f: q* a% ^0 K; |91.3 revised November 16, 2012
) s" ]; u* q3 W4 _% k' k
* Y, R( _; W/ O& m) x109 Retention of Blades Test
$ t5 P$ w2 |% y0 v7 d109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be
$ F; B6 K+ s4 X- R9 D. a' Jsubjected to the retention of blades test described in this Section.
! R a; R4 l5 D2 @Exception: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the; {4 c) h* M" v
flush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.
X: A* I3 I; }$ w! T( Y109.1 revised November 16, 2012( Z" D2 ]; _& v2 I6 O2 G
109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are4 B. ]4 J4 z( [: \
to be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see
4 E9 x4 C5 h$ SFigure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.6 Y Z3 U! a% _- b; e) J7 `
The force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).
8 C' H4 g: j2 F; OThe gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends A w# L1 |1 i- Z6 o
of the blades.
! V: M/ o+ x' e1 G( I109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure) }* _; Q7 y) M) x9 e. U c. t
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to
, o! u! C2 m m- r! C, h3 p, }2 r* Wthe test blade in a direction normal to the plane of the face of the specimen and in a direction that tends; y9 I" K- m1 g: x) ]; _' r7 L: B
to remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be. s3 D" q4 e$ @# ~( L
more than 0.079 inch (2 mm) displacement of the test blade.7 p% N( W4 M$ S$ R9 A) Q e
4 z- ]. Y5 Z4 K- A0 v
6 D% m3 A B9 \! W2 c+ u9 I+ G应该有3处有要求。
! ^7 l: }4 E; n! Z1 t5 _ |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 )
窥视卡
雷达卡
发表于 2016-8-16 14:07
显身卡
发表于 2016-8-16 14:38
楼主
发表于 2016-8-17 08:06
