嵌入式阀和器具检测
GB/T 51310-2018地下铁道工程施工标准
本标准适用于新建、扩建、改建地下铁道工程的施工。
SB/T 11041-2013家用和类似用途电器的安全商用制冰机的特殊要求
GB 4706.1-2005中的该章用下述内容代替:本标准涉及单相器具额定电压不超过250 V,其他器具不超过480 V的下述器具的安全。--日产冰量大于15 kg,且不超过2 000 kg的商用自动制冰机;--自携压缩冷凝机组或以两个单元的形式提供可按照制造商说明组装成单一器具(分体系统)的电动商用制冷制冰机。本标准同样也适用于使用可燃制冷剂的压缩式器具。只要适用,本标准还涉及这类器具所共有的危险。本标准不包括制冷器具的结构和工作特性,该部分内容在ISO标准中涉及。
UL 296-2003燃油炉
These revisions are to the UL 296 proposals announced in the March 18, 2005 issue of ANSI's \"Standards Action.
UL 399-2008饮用水冷却器
1.1 These requirements cover self-contained drinking-water coolers which employ hermetic refrigerantmotor-compressors and which are designed for connection to alternating-current circuits rated not greaterthan 600 volts in accordance with the National Electrical Code, NFPA 70. The requirements also apply towater coolers which supply both hot and cold water.1.2 These requirements do not include additional requirements applicable to equipment designed for usein hazardous locations as defined in the National Electrical Code, NFPA 70.1.3 A product that contains features, characteristics, components, materials, or systems new or differentfrom those covered by the requirements in this standard, and that involves a risk of fire, electric shock, orinjury to persons shall be evaluated using the appropriate additional component and end-productrequirements as determined necessary to maintain the acceptable level of safety as originally anticipatedby the intent of this standard. A product whose features, characteristics, components, materials, orsystems conflict with specific requirements or provisions of this standard cannot be judged to comply withthis standard. Where considered appropriate, revision of requirements shall be proposed and adopted inconformance with the methods employed for development, revision, and implementation of this standard.
UL 1703-2002平板光电器件组件和配电盘
The following items are subject to comment: 1.) Correction of test references in Table 18.1. 2.) Addition in paragraph 40.1.1 of equation for limit voltage (VL).
UL 1776-2002高压清洗机
These requirements cover inverters ,converters ,charge controllers ,and output controllers intended for use in stand-alone(not grid connected) or utility-interactive (grid-connected) power systems .Utility-interactive inverters and converters are intended to be installed in parallel with an electric supply system or an electric utility to supply common loads.
