UL 2044-1997 标准详情
- 标准号:UL 2044-1997
- 中文标题:商用闭路电视设备
- 英文标题:(Commercial closed-circuit television equipment
- 标准类别:美国保险商实验室标准UL
- 发布日期:1997-06
1 SCOPE1.1 THESE REQUIREMENTS COVER CLOSED-CIRCUIT TELEVISION EQUIPMENT THAT:A) ARE INTENDED FOR COMMERCIAL USE ON SUPPLY CIRCUITS AS DEFINED IN THE NATIONAL ELECTRICAL CODE, NFPA 70 ANDB) RECEIVE THEIR SIGNALS FROM A VIDEO-RECORDED MEDIUM OR I
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