2044-2019 发布历史

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; and b) Receive their signals from a video-recorded medium or image-producing devices in a closed-circuit television system. These requirements cover closed-circuit television equipment ?C such as video tape recorders; videoreceiving@ -processing@ -recording@ -producing@ and -amplification equipment; video cameras; and the like. These requirements also cover auxiliary equipment and accessories intended for use with closedcircuit television systems. These requirements also cover portable closed-circuit television equipment of the types described in 1.2 that are intended for use with a vehicular@ marine@ or any other battery circuit as the power supply means. These requirements do not cover video monitors@ as these products are covered by the Standard for Information Technology Equipment ?C Safety ?C Part 1: General Requirements@ UL 60950-1 or the Standard for Audio/Video@ Information and Communication Technology Equipment ?C Part 1: Safety Requirements@ UL 62368-1. These requirements do not cover video cameras with integral electronic viewfinders. These requirements do not cover tape-head demagnetizers or bulk tape erasers intended for use with video products and do not cover general-purpose tape-head demagnetizers or bulk tape erasers@ as those products are covered by the requirements for household and commercial tape recorders in the Standard for Commercial Audio Equipment@ UL 813. Commercial video products provided with a means for receiving commercially broadcasted video signals and household video products are covered by the Standard for Audio/Video@ Information and Communication Technology Equipment ?C Part 1: Safety Requirements@ UL 62368-1. A cart or stand that is not intended to be used with a specific product is covered by the Standard for Household@ Commercial@ and Professional-Use Carts and Stands for Use with Audio/Video Equipment@ UL 1678.

2044-2019由UL - UL 发布于 2019-06-28，并于 2019-07-16 实施。

2044-2019 发布之时，引用了标准

2044-2019的历代版本如下：

1993年01月01日 2044-1993
1997年06月26日 2044-1997
2008年09月15日 2044-2008
2019年06月28日 2044-2019

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标准号: 2044-2019
发布日期: 2019年06月28日
实施日期: 2019年07月16日
废止日期: 无
中国标准分类号: /
国际标准分类号: /
发布单位: UL - UL
引用标准: 108

适用范围: 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; and b) Receive their signals from a video-recorded medium or image-producing devices in a closed-circuit television system. These requirements cover closed-circuit television equipment ?C such as video tape recorders; videoreceiving@ -processing@ -recording@ -producing@ and -amplification equipment; video cameras; and the like. These requirements also cover auxiliary equipment and accessories intended for use with closedcircuit television systems. These requirements also cover portable closed-circuit television equipment of the types described in 1.2 that are intended for use with a vehicular@ marine@ or any other battery circuit as the power supply means. These requirements do not cover video monitors@ as these products are covered by the Standard for Information Technology Equipment ?C Safety ?C Part 1: General Requirements@ UL 60950-1 or the Standard for Audio/Video@ Information and Communication Technology Equipment ?C Part 1: Safety Requirements@ UL 62368-1. These requirements do not cover video cameras with integral electronic viewfinders. These requirements do not cover tape-head demagnetizers or bulk tape erasers intended for use with video products and do not cover general-purpose tape-head demagnetizers or bulk tape erasers@ as those products are covered by the requirements for household and commercial tape recorders in the Standard for Commercial Audio Equipment@ UL 813. Commercial video products provided with a means for receiving commercially broadcasted video signals and household video products are covered by the Standard for Audio/Video@ Information and Communication Technology Equipment ?C Part 1: Safety Requirements@ UL 62368-1. A cart or stand that is not intended to be used with a specific product is covered by the Standard for Household@ Commercial@ and Professional-Use Carts and Stands for Use with Audio/Video Equipment@ UL 1678.

2044-2019

UL Standard for Commercial Closed-Circuit Television Equipment (Fourth Edition)