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[UL认证] ul认证求助
P:2009-04-24 12:58:57
3
UL Plenum Cable Flame Test samples must be provided on a reel or spool.
L = length of sample in feet; D = diameter of cable in inches
Plenum Cable Flame Test: L = 900/D (Example: For a 0.50 inch diameter cable 900/0.50 = 1800.00 feet)
where, T= Length of Minor Axis in inches
W= Length of Major Axis in inches
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L = length of sample in feet; D = diameter of cable in inches
Plenum Cable Flame Test: L = 900/D (Example: For a 0.50 inch diameter cable 900/0.50 = 1800.00 feet)
- For Flat cables use the following equation to determine the diameter:
where, T= Length of Minor Axis in inches
W= Length of Major Axis in inches
</DIV>
antenna duct - 天线穿引管 (0) 投诉
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