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我接触到的 ' r+ e' W1 d) h7 s4 G% Y, o# I
PUMPS, ELECTRICALLY-OPERATED LIQUID p/ p& E. m0 x9 n+ ^
The Standard used for the investigation of the USL products was UL 778, Fourth Edition, Motor-Operated Water Pumps.
$ i; I! D4 \- U) A The Standard used for the investigation of the CNL products was CAN/CSA-C22.2 No. 108-01, Liquid Pumps.
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0 P, m% r! x; l" LWATER SOFTENERS, DEMINERALIZERS AND WATER TREATMENT UNITS
) G' }- }3 w6 d. T8 d* C USL indicates investigation to the Standard for Water Treatment Equipment, UL 979, First Edition.
$ A, O/ F* ~6 k3 a 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" M4 s1 E/ v" p! E5 I
USL indicates products comply with the Standard of Underwriters Laboratories Inc. for Class 2 Power Units, UL 1310, Fifth Edition.5 n7 I! _8 Q' s
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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