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又有如下问题请教:' Z5 ^; F' w9 _4 t) n- I
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?
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% ~# Q# A6 u/ M) G2.LED球炮灯Marking要参照哪几个标准
( [: B% a# N" h是不是以UL1993为主兼参照UL8750?
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! X# p. _' d! o. T. g3.功率因数需不需要打在标示上?) s: K; L, x% E7 S
UL8750 Clause 9.2.2
2 Z# b% D' k( R1 \: _ IA power source integrated with a controller or LED array or both shall be provided with markings2 j# g2 R5 y+ R. r8 x. n
(a) through (c) below. A power source packaged separately from the controller or LED array or both shall
3 F0 {( T2 b4 U2 K( b9 x: cbe provided with markings (a) through (d):
1 I6 n* v8 G8 O6 }a) Environmental suitability (dry, damp, or wet location),4 b' _% Q5 o& g& d) t! ]) i3 n
b) Input voltage,0 B( S$ G! m& p, M9 g- t4 D; V
c) Input current and power factor, or input wattage, and! U0 X- D5 t+ }2 |! i
d) Rated output voltage and current (or wattage).
- J: Q7 W/ ~1 w& H, t但UL1993中并没有提及是要打上功率因数的标示。
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4."Class 2"和"Class 2 input only"要不要打在标示上?4 H7 S$ i5 Z2 \( H5 f) Z1 e
UL8750 Clause 9.2.3 : d" z' a9 q }; w4 \5 K6 {
Each output of a power source or controller intended to supply a Class 2 circuit shall comply with
% [. E0 T" n5 {7.12 and be marked “Class 2.”
d4 I P. a) `7 t# OUL8750 Clause 9.2.5
8 T- x6 d/ H" ~; a! qAn LED array, module, or package shall be marked with the following:: g! A9 |. N$ E& u, |8 ]. c
a) Environmental suitability (dry, damp, or wet location),; p, Q+ X* T' R2 K
b) Input limitations (i.e., Class 2 input only), if applicable,
( l7 t A/ T+ l" K2 a2 sc) Input voltage, and
5 f# t, k) [( o- w/ q; W8 ud) Rated current or wattage.. u6 o( k. L b" B/ M
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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0 B% S- \8 p. y' b5.最小字高是1.3mm还是1.6mm?
' p* F- U- O8 e9 }UL1993 Clause10.1.5 , `) O0 ?: I4 Y: z. k% J
All markings shall have lettering in which:
; ^8 [ R' z5 a, l1 D( I! o% R0 za) The precautionary signal word is at least 2.0 mm (0.08 in) high,$ b# X+ z: P& t. s" r
b) The text is at least 1.3 mm (0.05 in) high and contrasting in color to the background, and
8 A- K7 c/ L# w/ j! i, }0 [3 nc) If molded or stamped in a material, the text is at least 2.0 mm (0.08 in) high, and if not8 M; w5 z7 ~5 P/ |! G9 i$ h' J* t
contrasting in color, a depth or raised height of at least 0.5 mm (0.02 in).
% a- B9 J# t" o% Q+ X4 [UL8750 Clause9.1.2 ; r7 q; B7 o9 s+ s; `6 B) _: P& F, P" }
A marking shall be legible, with minimum 1.6 mm (0.062 in) lettering and use one or more of the3 L4 l; q& ^) I
following methods: |
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