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johnmark 发表于 2016-8-15 17:16 
1 I* N- ^ r" X5 `2 ]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， ...
( @+ m; b# n6 n$ @- o+ j2 n91 Retention of Plugs Tests
' n, ?0 Z7 G- |0 L3 S8 _8 g, }* x91.1 The contacts of a 1-15R, 5-15R, 5-20R, 6-15R or 6-20R configuration cord connector shall retain an
4 o* c) W) ?0 i! ?; I% F" battachment plug so that a force greater than 3 lbf (13 N) is required to withdraw the plug when tested as9 t! s P5 |* } [' ], U/ G
described in this section." o5 z8 o6 ~3 S2 b5 |
Exception: A cord connector that has provision for locking the plug in place after the blades have been6 M9 ~5 M d9 z. J* H/ f0 s' |
inserted in the female contacts (such as a rotating collar) is not required to be subjected to this test.+ Z/ z! f1 c) i) J; V4 z& Z4 O# }
91.2 A cord connector with a spring-activated latching mechanism shall be subjected to this test with its
) F* V5 e( T; Y- Q" imechanism defeated. See 90.2.
7 X- L4 n5 B0 R91.3 Each of six devices is to be subjected to ten conditioning cycles of insertion and withdrawal of a
2 R8 _0 v- y1 `% b5 c& ystandard solid-blade attachment plug that has American National Standard detent holes in accordance0 L/ ^5 M5 [2 B. X7 y
with Wiring Devices – Dimensional Specifications, ANSI/NEMA WD6, in rigidly mounted blades, following# A) S" X( t" n5 \- m
which the plug is to be fully reinserted into the device. The mating plugs are to have the configuration: I/ x$ Q0 E* N
indicated in Table 91.1. A pull of 3 lbf (13 N) in a direction perpendicular to the plane of the face of the5 W U$ E) f& c" B/ x$ g
cord connector and tending to withdraw the plug from the device is then to be applied to the plug for 1
8 I' m# J! n* L2 S$ k9 cminute. The displacement of the plug shall not be greater than 0.079 inch (2 mm).
% g8 k3 q9 ^3 W5 D; H2 FException: Connectors may instead be subjected to the Retention of Blades Test, Section 109.2 and
1 Y0 M7 a% g- I1 R: Z9 {109.3 (conditioning and 3 lb retention).
2 W& G4 `# u' J2 o4 B. X2 b) W91.3 revised November 16, 2012( n+ B9 L4 C4 e
( v( k/ ~6 X5 c109 Retention of Blades Test
" _+ M+ x, j4 S m K% g109.1 A flush or self-contained receptacle having a 5-15R, 5-20R, 6-15R, or 6-20R configuration shall be }! m. w* y" ?% _8 t
subjected to the retention of blades test described in this Section.
, H6 F; }6 G4 y1 ZException: A receptacle having a 1-15R, 5-15R, 5-20R, 6-15R, or 6-20R configuration and not of the+ ]' C7 @! z' J
flush or self-contained type may instead be subjected to the Retention of Plugs Test, Section 114.
+ D. `) a3 k2 U: e: F7 B109.1 revised November 16, 20123 a6 B9 c# q- m# c/ l' m
109.2 Receptacles having the break-off tab, when provided, removed from one nonidentified terminal are$ b; z' m! ~0 A5 B8 T% Q1 v! T
to be subjected to ten conditioning cycles of manual insertion and withdrawal of a standard gauge, see& _& \0 J Q& W" c7 P! G2 k+ m
Figure 109.1. Each of six devices is to be tested. The gauge is to be configured as outlined in Table 109.1.
! A: }, o7 z8 H% @% A( t' D5 oThe force applied to insert the gauge for any of the conditioning cycles is not to exceed 40 lbf (178 N).$ ]/ t1 |$ H1 H) h4 x1 i* m( y
The gauge is to have the dimensions indicated in Figure 109.1 but is not to have holes in the outer ends N% R1 J M5 Y7 [: `
of the blades.
/ X @. f! G' G109.5 Each of the line contacts of the receptacles is to be tested using the test blade illustrated in Figure: S. s: N% r- Y0 m9 B" N* w" H: J
109.2. Each line contact shall be capable of withstanding for 1 minute a static 0.5 lbf (2.2 N) applied to
6 A9 ^1 r; y0 j* _$ Athe test blade in a direction normal to the plane of the face of the specimen and in a direction that tends( X, m. v( [6 @3 q5 |2 r
to remove the test blade, when the test blade is fully inserted in the contact opening. There shall not be
, v; Z5 r: D' ]- W$ j( Vmore than 0.079 inch (2 mm) displacement of the test blade.
! F% B: @" w( X- c1 k" w: U" A. s4 B I, p$ S
s9 l$ |, [7 d' r* c( V应该有3处有要求。
5 H: J* M9 s5 Z |
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