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UL507 Drop test 对下面的Electric fan 做不做?
; t" r B, F2 c6 F, ]; Y1 W0 D: h% Z我认为不用做,因为它虽是DESK FAN,但不是BOX fan, 对吗?
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- d1 k7 g5 y9 I' r5 CUL507 Clause 52
2 |8 J) z# H' v52 Drop Test) a# P+ z' s% p. M+ n7 l
52.1 A desk fan and a box fan shall withstand, with the fan operating at maximum speed, the drop test
- [3 y! Y' P9 a; ?" p, Jdescribed in 52.2. J% e& B. f; e
52.2 Each of three samples of a fan is to be dropped through a distance of 914.40 mm (3 feet) to strike: |; c: K" n' t2 E; a8 y
a hardwood surface. Each sample is to be dropped three times. Three samples shall be employed for the' R. i; l* l; ^9 H' c/ u" T. I
test; however, if the manufacturer so elects, fewer samples may be used in accordance with Figure 52.1.
5 e8 ?2 |3 }# V" q5 @9 S9 \As a result of the drop test, the probe illustrated in Figure 8.1 shall not be able to contact a portion of a
! x8 x d% O% n5 p" i# u0 Fblade or blower wheel that presents a risk of injury to persons when inserted in any opening in the guard. |
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