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发表于 2010-11-9 13:25
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又有如下问题请教:
. v H1 G; `8 ?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?$ ^/ M3 ^; C' T1 y/ V, H* S9 g0 h3 x
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2.LED球炮灯Marking要参照哪几个标准 % n3 D o3 T3 j% [" w; z! }, R
是不是以UL1993为主兼参照UL8750?
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% }/ M; d1 X& g# X3.功率因数需不需要打在标示上?0 `# i* D$ l( l- N
UL8750 Clause 9.2.2
7 Z/ E5 g) P' ]" p CA power source integrated with a controller or LED array or both shall be provided with markings3 _( j) R3 V2 P; z, b
(a) through (c) below. A power source packaged separately from the controller or LED array or both shall2 T2 Z, x: L" H5 g
be provided with markings (a) through (d):
( i/ i, {) |( S$ ba) Environmental suitability (dry, damp, or wet location),
# T4 d9 e" _3 @/ D% [b) Input voltage,
6 I* r- u2 P; Y3 Y% {7 J$ [0 hc) Input current and power factor, or input wattage, and9 p* N9 J& l6 {% `& [( ~/ _
d) Rated output voltage and current (or wattage).
. M/ L8 b# F) e: x: Q8 p: k但UL1993中并没有提及是要打上功率因数的标示。9 O+ P9 i3 j, B# z9 a2 u ^$ l G
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4."Class 2"和"Class 2 input only"要不要打在标示上?
5 T% L4 g& V, r+ H- @+ \) FUL8750 Clause 9.2.3
+ A2 `/ o& h& B, X2 ZEach output of a power source or controller intended to supply a Class 2 circuit shall comply with
) @& N& l4 q4 P) {( b7.12 and be marked “Class 2.”
5 o# }0 a I. ^7 r2 hUL8750 Clause 9.2.5- V( f3 r8 x7 J' g5 b: U4 H
An LED array, module, or package shall be marked with the following:
; q% A; A6 b9 j7 b6 \: c2 s1 Xa) Environmental suitability (dry, damp, or wet location),. @, n- b2 \0 t$ p5 f
b) Input limitations (i.e., Class 2 input only), if applicable,
7 \$ u2 y( g* w3 D, G2 y" }3 ?6 nc) Input voltage, and; n: x. E- C4 D' [
d) Rated current or wattage.
7 t3 e0 {# H( i5 u; `) D" j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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5.最小字高是1.3mm还是1.6mm?
, g' i# C9 r2 \8 u$ [& t/ ^0 C1 SUL1993 Clause10.1.5 1 @! U0 L6 q j5 E# [# p( s5 M9 |
All markings shall have lettering in which:
% Y3 V6 y9 ?2 t( a% f) |) p* Pa) The precautionary signal word is at least 2.0 mm (0.08 in) high,- K8 `& @, _& ^6 l
b) The text is at least 1.3 mm (0.05 in) high and contrasting in color to the background, and8 m( v% k) w' S8 u' K6 q7 a1 j: ]; ^+ ]
c) If molded or stamped in a material, the text is at least 2.0 mm (0.08 in) high, and if not
( O7 Y& v& L: _! b" ~7 f- Lcontrasting in color, a depth or raised height of at least 0.5 mm (0.02 in).. o9 C: T1 \9 m7 n( w
UL8750 Clause9.1.2 9 y. S/ \6 C' S9 I, Z' z# t
A marking shall be legible, with minimum 1.6 mm (0.062 in) lettering and use one or more of the( q+ C2 X; r7 _
following methods: |
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