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johnmark 发表于 2016-8-15 17:16  ( ]; J v, I2 `9 p
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， ...
. X, @ ]# Z$ Z; N% [: Y; Q4 G91 Retention of Plugs Tests
# a6 q+ b) t3 {* Z( X* p M! n91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an) ^* E- y! b) w$ I) e
attachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as
! } J/ \+ W# L' u& l) o5 N* zdescribed in this section.& n/ ~& Y& J9 Q
Exception: A cord connector that has provision for locking the plug in place after the blades have been
0 s) v8 ]. ^6 t2 H& s4 iinserted in the female contacts (such as a rotating collar) is not required to be subjected to this test. n% M9 |2 O) ~; B* \+ h: b- H0 Z
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its' m @! k# f" C8 |9 D! n
mechanism defeated. See 90.2.: e3 m+ N3 l6 Q1 @; i- l% e3 s
91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a
3 F+ k( D; R8 Mstandard solid-blade attachment plug that has American National Standard detent holes in accordance
: r8 ]8 U( O# o+ _- b& E$ d5 fwith Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following
( j% f" W0 Q$ f( Q* p0 Mwhich the plug is to be fully reinserted into the device. The mating plugs are to have the configuration
& L/ R v8 _& x' Tindicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the
, _9 k. f$ h9 ?- \' u' {cord connector and tending to withdraw the plug from the device is then to be applied to the plug for 1
5 Q) ~" G* w8 vminute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).
' ]! }) O2 R3 h! A0 \0 C* x1 qException: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and
( _! B) {. {9 @109.3 (conditioning and 3 lb retention).
+ Y3 J) r4 ?4 k/ @8 H) C8 J; Y91.3 revised November 16, 2012
- n# b. i% J$ V6 ]/ k: D3 D% @# e/ C( F2 I' F, Y2 r# v# \
109 Retention of Blades Test* Q/ ~: v% A$ x# t: n* _2 S
109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be6 Q% G2 `, B0 y6 {+ t5 V
subjected to the retention of blades test described in this Section.
' l7 j6 f! J9 S" t9 N% fException: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the
) V7 E6 K, m/ u- { U p+ rflush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.
, T1 c- }! I9 n8 R109.1 revised November 16, 2012
) g8 c9 G% e9 ?# j! j* h* p0 I109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are
6 Z' o9 C$ m9 \to be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see* A [0 \1 A' x1 H8 H* G
Figure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.2 ]; s! u2 z, Q C* r: p' Q
The force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).& P1 |) q6 }# A4 Z; W5 R
The gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends: S, l1 [0 ]: C8 k* i- {# n& R
of the blades.; @$ {# f5 M" K
109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure4 S0 }* A h5 \) Q
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to- A$ h6 Q( s" W9 `
the test blade in a direction normal to the plane of the face of the specimen and in a direction that tends
# S4 m7 K$ \# P2 I2 h( |to remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be
2 o' K# ]3 ^6 `) v& o7 mmore than 0.079 inch (2 mm) displacement of the test blade.' B( N/ h9 P9 c2 p: q- k
% L4 @4 e2 n3 M" J$ O: H5 q9 F2 k; i, S
! Y F: o' y Y
应该有3处有要求。
+ c2 V) u( x0 i% l# V1 v, m* o: t |
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