英语翻译Instructions for determining appropriateness of the C-UL

英语翻译
Instructions for determining appropriateness of the C-UL marking
(Not for inclusion in the Procedure)
There are some constructional and test differences between UL and Canadian requirements.The following topics should be considered in considering C-UL for an UL Listed product.
1.C-UL self -ballasted lamps or adapters either have no openings for ventilation or,if provided,the slots or openings are to be baffled.The requirements for baffled ventilation slot are give in CSA C22.2,No.12 - Portable Luminaires,the requirements were too difficult to summarize and harmonize with the UL 1993 document at the time UL 1993 was written.
2.The need for bi-lingual markings should be reviewed,although the general UL clause noted in the above footnote handles this.
3.TIL-B-36B describes a Misapplication Temperature Test (Clause 5.3.4.1) to determine if thermal protection is needed.Since UL Listed products would be thermally protected,it should not be necessary to do this test.However,it could be done if the manufacturer insists on complete CNL requirements.UL reports could just say this was not conducted as the ballast met the Class P requirements.
4.TIL-B-36B describes Fault Condition Tests (Clause 5.4.2) that would ordinarily be duplicated in the evaluation to UL requirements for Class P,however the specifics of the TIL should be reviewed.The possible additional test would be on an electronic ballast with a rectifying lamp condition.Here again it may be possible to say it was not necessary to repeat these.
5.TIL-B-36B describes a Deflection (½ inch diameter rod loading test) (Clause 5.7.2),which is to check for reduced spacing between live parts and a metal enclosure.Also the Deflection Test would evaluate the fit of snap-together plastic enclosure parts.The need for this test will depend on the enclosure material and method assembly.
6.TIL-B-36B describes a Hot Wire Ignition Test for plastic enclosures.Plastic having a flammability rating of V-1 or better should meet the 15-second glowing wire without ignition.Also the HWI wound not apply if bare live parts are more than 3.2 mm from the enclosure,per Clause 3.2.1(b).The need for this test should be considered.
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