|
|
johnmark 发表于 2016-8-15 17:16 
4 _1 D' f2 I# r. j7 s8 QUL 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, ... $ T7 a: o' v0 ~8 K
91 Retention of Plugs Tests+ @0 b$ W: ^7 i4 ]0 x7 L7 c
91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an
9 S$ R# r9 B$ e- {1 ]" }attachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as
, C& T" K7 K& o* F- b& d5 }3 Wdescribed in this section.
' {& z; f! y2 O) O, S8 k+ XException: A cord connector that has provision for locking the plug in place after the blades have been; h7 x/ f. m* L! {& @6 X
inserted in the female contacts (such as a rotating collar) is not required to be subjected to this test./ p# z% g) ]. x" b) F
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its6 D3 z4 `( K" N
mechanism defeated. See 90.2.
" ?4 e+ O$ ^, V& I91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a& ~& q8 `- r8 y, ?# q
standard solid-blade attachment plug that has American National Standard detent holes in accordance. N0 E+ |, t6 a" B/ z% O
with Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following
! F: C1 D, m- _: Fwhich the plug is to be fully reinserted into the device. The mating plugs are to have the configuration. Y3 m! i: \$ |
indicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the O( s3 p# o* z
cord connector and tending to withdraw the plug from the device is then to be applied to the plug for 1+ X- ?4 D! @$ o$ N0 z, k- q/ v' ]
minute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).' v1 }0 v+ t, Z
Exception: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and
, U0 Y. w1 ?4 D0 a$ |) R2 ]2 I109.3 (conditioning and 3 lb retention)." O; `# j6 g; }6 r, ?7 [0 U* {' v
91.3 revised November 16, 2012
9 f% r) e( n# j( S5 v
6 Q0 s6 Q* n) ?109 Retention of Blades Test
& J5 h% K8 c# K! ~" C i109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be
" X; F3 b5 T& y' nsubjected to the retention of blades test described in this Section.5 i( m7 ?: i5 u" y' F) S
Exception: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the
, t3 \/ ~; {% o* g" hflush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.
/ f2 D6 w8 y, K# y, T4 `8 s# x) X109.1 revised November 16, 2012
! r: f; |4 A! y2 I4 T$ Z" @$ z109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are
* ?% d6 r# ~$ `/ ~$ Nto be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see
9 e" Y" a6 T0 E! f/ z, }7 `, ?Figure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.
6 G- m4 F. T( O% Y4 Y, l0 WThe force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).
_% P5 o6 X8 V- f- C& sThe gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends
( I4 }- b2 U9 B. y* }of the blades.
# ~# P: y) R! P+ _8 q# y' I109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure, U$ W( s( X% l6 E6 B3 s& \
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to& b6 b- S% A# c# K$ j; e$ j& K
the test blade in a direction normal to the plane of the face of the specimen and in a direction that tends
- l; {( L N, G9 Y( o# B3 Qto remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be5 v4 t! e1 W3 Z6 ]. S0 a
more than 0.079 inch (2 mm) displacement of the test blade.6 H* Y2 h/ z- y; X O' s
5 Q% ]4 ^- u" L7 ?1 B6 r
+ n3 o/ `7 C- W0 a应该有3处有要求。( k$ D I6 F4 G g) a/ b
|
|