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我接触到的 : O/ r' T1 \' x
PUMPS, ELECTRICALLY-OPERATED LIQUID7 p$ c' k+ `" S: V: J8 y
The Standard used for the investigation of the USL products was UL 778, Fourth Edition, Motor-Operated Water Pumps.
+ Z; f- s0 e' v' }3 U& n% I The Standard used for the investigation of the CNL products was CAN/CSA-C22.2 No. 108-01, Liquid Pumps.7 r4 b0 f Q7 D2 b; Q: w& u
# c) G, i3 C0 \4 e$ ?: ]WATER SOFTENERS, DEMINERALIZERS AND WATER TREATMENT UNITS
: Z- {5 l0 v/ q, _ USL indicates investigation to the Standard for Water Treatment Equipment, UL 979, First Edition.
$ ^. z" y8 O D3 @" F CNL indicates investigation to the Canadian National Standard for Motor-Operated Appliances (Household and Commercial), CAN/CSA C22.2 No. 68-09, Seventh Edition.
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DIRECT PLUG-IN AND CORD CONNECTED CLASS 2 POWER UNITS
0 D9 s' f/ g, C4 p1 a% h USL indicates products comply with the Standard of Underwriters Laboratories Inc. for Class 2 Power Units, UL 1310, Fifth Edition.9 u) _# s* z$ k4 o6 h ~
CNL indicates products comply with the standard for Power Supplies With Extra-Low-Voltage Class 2 Outputs, CAN/CSA-C22.2 No.223-M91, Second Edition and TIL No.I-42 with revisions dated September 15, 2006. |
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