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又有如下问题请教:
; |) [* I2 Y4 a' y, H( a. `1.UL496 Table13中(Threaded ”go“ gauge for E26 medium-screw lampholders ”Not go“ plug gauge for E26 medium-screw lampholders "Go" 和“not Go” 指的是什么?5 @8 R8 n' o* h: v. H2 ?$ [
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2.LED球炮灯Marking要参照哪几个标准
8 M9 m# t0 ^, t% ?* W2 x& H" g是不是以UL1993为主兼参照UL8750?1 ?" s6 @! u0 `# g! y8 Y' H
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3.功率因数需不需要打在标示上?' `3 W$ y6 }' O7 r7 W. q
UL8750 Clause 9.2.2 x. x& ~6 h- u1 J+ G# O+ x
A power source integrated with a controller or LED array or both shall be provided with markings
" F D; D- r1 h" M/ V4 {9 u(a) through (c) below. A power source packaged separately from the controller or LED array or both shall& `+ T9 E' p3 Z5 v, C
be provided with markings (a) through (d):
7 H; U' r" f& {' ca) Environmental suitability (dry, damp, or wet location),
. D7 a/ i% p% _# ?b) Input voltage,
* p" }1 q5 ?: ~c) Input current and power factor, or input wattage, and
7 o$ f6 \+ J# p* Qd) Rated output voltage and current (or wattage).
3 x/ v8 ]/ c0 F3 O但UL1993中并没有提及是要打上功率因数的标示。2 W+ J" u& `) _1 T' g+ X
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4."Class 2"和"Class 2 input only"要不要打在标示上?
1 Q6 Y# ^6 Q* W0 U9 n5 w: T! ~UL8750 Clause 9.2.3
" v* p& @! q. e6 h6 REach output of a power source or controller intended to supply a Class 2 circuit shall comply with) d( i( y& O8 p; y% Z+ w, F, m
7.12 and be marked “Class 2.”! i* p5 J) ~- I& N) H/ r
UL8750 Clause 9.2.5
) `' }* G7 K3 _* R& U% _8 TAn LED array, module, or package shall be marked with the following:; n+ ^+ d [8 S6 _, S) r
a) Environmental suitability (dry, damp, or wet location),
6 B5 ~- u [% U P8 h) Pb) Input limitations (i.e., Class 2 input only), if applicable,
6 r: G* G/ }/ S7 x$ W" c* x# zc) Input voltage, and8 V. a @8 u+ @4 m9 m
d) Rated current or wattage.
) ?, W. W: w% M1 Z& r, f$ o( F3 o但UL1993中并没有提及是要打上"Class 2"和"Class 2 input only"标示。
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1 n& |4 R' e; O( x( W: ]5.最小字高是1.3mm还是1.6mm?$ ]8 E9 z; k( L' G: a: R
UL1993 Clause10.1.5 & W2 b0 Z0 v% w6 B
All markings shall have lettering in which:
- ^8 n, Q" y! e4 E( T8 Y# e7 Qa) The precautionary signal word is at least 2.0 mm (0.08 in) high,
, a8 z* O1 ~ ?9 \( d& Z& h' Cb) The text is at least 1.3 mm (0.05 in) high and contrasting in color to the background, and. g0 z& A. _( f A
c) If molded or stamped in a material, the text is at least 2.0 mm (0.08 in) high, and if not
0 S# F, U3 P, I, L/ @& lcontrasting in color, a depth or raised height of at least 0.5 mm (0.02 in).( I9 S* v" e1 x$ m
UL8750 Clause9.1.2
) f- F% r" r, D1 v" y$ {A marking shall be legible, with minimum 1.6 mm (0.062 in) lettering and use one or more of the$ B( G( L7 O4 O V
following methods: |
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