|
是否要做测试?楼主没说明出口地,UL的请参考UL507,似乎与摇头没有关系:
$ }! p4 T* y% b) z( B4 h14.1.1A A power supply cord supplied with an appliance as described in Table 14.1, rows 1 and 2, shall" {* C. k3 C; ~
also comply with the performance test requirements of Sections 51B – 51E.
# a, X( z a t& C
. `+ f7 F" Z; `8 k" {: q, T7 ]51B Supply Cord Abrasion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92- c: k$ t8 Y0 Q9 ?& p0 U
51C Supply Cord Pinching – Mandrel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92A) e. v, P0 C6 }5 @" J
51D Supply Cord Crushing – Mandrel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92C
1 U+ v( Q: J+ W M, v51E Supply Cord Flexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92D5 V1 S$ [) B$ \& ?9 F
8 y: `6 Q5 E+ ^' _5 Y, _
51E Supply Cord Flexing
' H8 a4 z9 ~: s. o: W# E
4 O1 ~5 Z8 K3 h6 M51E.1 Six samples of a power-supply cord shall be subjected to the test specified in 51E.2 – 51E.6. Upon
8 H- K( E9 r9 N* |+ N! d* Xcompletion of the test, there shall not be:
( c$ R! d! f: `6 Ma) Development of an open circuit,2 j w7 @0 h2 h. [- r* I
b) Breakage of more than 10 percent of the strands of any conductor,
7 T: X+ U) y3 ?! O: Dc) Broken strands piercing the insulation and becoming accessible,5 _7 B( L: D( a' G5 }3 |
d) Cracking or degradation of the cord insulation, or$ ]) d: ?- a3 a Q+ h3 v
e) Exposure of the internal shield of a leakage current detector-interrupter.) l$ _' C+ t5 J. {
51E.2 With reference to 51E.1, conductors include grounding conductors. A short circuit between
8 m6 ]8 v, C0 T& Z+ Lconductors of the cord is determined when, any time during the test, the current exceeds a value equal: T( x9 a, t. m* [. o" y
to twice the rated current of the appliance.& g, [0 u, Q; y9 I( W2 F
51E.3 Each supply cord sample is to be mounted through a slot in the L-bracket of the test fixture shown& B! f$ R. l1 b+ [. {6 [; M% s- }
in Figure 51E.1. The L-bracket is to measure 38.1 mm (1.5 inches) deep and 38.1 mm high and shall be: ^9 X9 E9 L$ `/ r( c% p3 g
provided with a slot having dimensions as shown in Figure 51E.2. The cord shall exit vertically through
; s0 a( B8 h: B% N% uthe top surface of the bracket base and shall be routed across a curved surface for attachment, see Figure D P2 d- t$ \* {/ m. Z9 b% B
51E.3. |
|