|
請教UL 817 以下標準的中文意思?
+ ^/ m4 x/ l9 [6 a$ W5 v* K' E這抗電弧測試是否只針對連接器呢 ?
7 e+ Y+ Z* R' m
3 {# V( Z+ v; j1 ^) g( ?14.7 Resistance to arcing test
8 q: [5 N2 X) X, w* H0 {14.7.1 The connector fittings that were subjected to 50 cycles of operation in the Overload test described
) c" n, |0 B" Z8 h$ Iin 14.4 shall perform acceptably when subjected to an additional 200 cycles of operation under the
$ f' i) f3 |" A: Hoverload test conditions following the temperature test and the repeated retention of plugs test.
' {" @: e5 @1 t14.7.2 Alternatively, six representative connector fittings may be subjected to the 50 cycles of operation
: k& t( U* _8 g9 c* a& vin the Overload test described in 14.4, followed by the Temperature test and repeated Retention of blades, B4 `) T) J- @6 w
test on the connector fittings, and then, to determine resistance to arcing, a second, previously untested
3 O" b: U# n3 i O w. Uset of connector fittings may be subjected to 250 cycles of operation under the overload-test conditions.6 m4 }- [' E2 G+ D% X/ g
14.7.3 The attachment plug used for this test may be changed after every 50 operations. There shall not
p0 N% [: E2 nbe any sustained flaming of the material in excess of five seconds duration. There shall not be any" Z. \7 S5 r4 c- G+ C$ @# X
electrical tracking or the formation of a permanent carbon conductive path that results in a dielectric [$ S* n5 Q- ]; C U+ W4 W6 e
breakdown, as determined by the application of a 60 Hz essentially sinusoidal potential of 1500 V
, q. e& Q- B( e4 R" d! t" y |
|