Floor and ceiling tracks — Channel shaped, 3-5/8 in. or 5-5/8 in. wide with 1-1/2 in. flanges. Fabricated from No. 18 GSG galv steel. Attached to floor and ceiling with fasteners spaced 24 in. O.C.

2022年3月2日 · Users of fire resistance assemblies are advised to consult the general Guide Information for each product category and each group of assemblies. The Guide Information includes specifics concerning alternate materials and alternate methods of construction. Only products which bear UL's Mark are considered Certified.

Fire-RatedFire-resistance ratings have long been used by UL, ASTM and building codes to measure the performance of various constructions for fire containment purposes. As applied to elements of buildings, the fire-resistance rating classifies the ability of an assembly

The table on the following pages lists the UL fire rated assemblies that include Vulcraft composite and non-composite decks profiles. This summary table is provided to assist in identification of assemblies to meet specific project requirements. Refer to the particular UL assembly for full details of construction including, specific

Our clients rely on this certification to demonstrate compliance with regulations and ensure the reliability of our products in their projects.

Product iQ is UL Solutions' online location for certification information. It combines data from many legacy UL solutions, including the Online Certification Directory, Product Spec and several iQ databases into one streamlined experience.

The document listing is represented by a combination of the UL CCN and File Number. A UL CCN (Category Control Number) is the code that represents the Product Category (Category Description). See below for more info on those terms.

2020年2月16日 · 自1894年创立， UL 在125年里发布了近1800部安全、质量和可持续性标准。 在这个庞大的标准库中，有哪些是跟电线电缆相关的？ 这些标准针对哪些内容做了规定？ 还有哪些标准要做更新跟修订？ 电线电缆相关的标准. 在这些标准中，一部分为 产品标准，即明确定义了产品适用范围、等级参数、规格结构、测试要求、测试条件和标志等。 包括： 还有一些标准是 测试标准，当产品标准中提及参照某本测试标准做测试时，我们需依据测试标准进行测试。 如： …

2021年3月30日 · 2020 年5 5 月 13 ul 4128 1 12020 年5 5 月 13 日1ul 4128新能源储能系统连接器内容介绍12345施工6 一般77 电流承载部件78 高分子材料78.1 一般78.2 绝缘材料88.3 环保98.4 垫片，密封圈和o形圈99 间距99.1 一般99.2 备用间距–电气间隙和爬电距离1010 非绝缘带电部件的可及性10性能11 小区间/层间连接器测试1311.1 一般1311 ...

where the Nomex 410, 414, 416, 418 or 464 layer is 3 mils minimum thickness, Nomex 411 is 7 mils minimum thicnkess, or the Recognized Component (QMFZ2) PET film layer is 1 mil minimum thickness. suitable for use with MW35, MW73, or MW74 only.