202半年111月底1日起   ，UL8750升级协议将确认进行！

202在一年17月1日起  ，UL8750的更新换代免责不可抗力条款将即日起全面实施  ，请见详细有的是些对类产品干扰大的UL8750的更新换代的免责不可抗力条款梳理 。

条例1：SUPPLEMENT SE–REQUIREMENTS FOR CLASS P LED DRIVERS

SE5.3 A driver with field-wiring leads, field-wiring terminals, or push-in terminals shall be marked “Use only within an enclosure” or equivalent. The marking may be provided in an installation guide or equivalent accompanying document.

暗含实地插头接线处、实地接接线接线鼻子排还是推入式接线接线鼻子排的CLASS P LED 带动必须要标上“Use only within an enclosure”或等效标价签 。标价签都可以印在物料还是说明怎么写书中  。

 条约2:  6.7 Polymeric potting compound

6.7.3 Polymeric potting compound that can touch any part of the insulation system of a transformer shall be tested in accordance with Supplement SA– Substitutions or Modification to an Electrical Insulation System in the Standard for Systems of Insulating Materials–General, UL 1446.
Exception No.1: This test does not apply if the transformer is not used for the mitigation of the risk of electric shock or is not used to separate Class 2 circuits or LVLE circuits from hazardous circuits.
Exception No.2: This test does not apply if the transformer insulation system already includes the potting.
Exception No.3: This test does not apply if the insulation system is used up to the temperature permitted for class 105 (A) according to Table 8.1 of this standard.
Exception No.4: This test does not apply for thermosetting potting compounds where the insulation system of a transformer utilizes a thermoset varnish which completely encloses the coil windings- preventing the potting compound from making contact with the winding wire insulation.

灌贴胶比如触碰到变电器电绝缘体系任何的部位  ，就要有通过Supplement SA–Substitutions or Modification to an Electrical Insulation System in the Standard for Systems of Insulating Materials–General, UL 1446 去測試 。

特例1：如若干式变压器不必于减小高压电击危害性或不必于将Class 2线路或LVLE线路与凶险线路分离开来  ，则该测试测试痛感用 。

除外2：要变电器隔热系统化现在已经具有灌胶封  ，则该测试测试不适应用 。

特殊3：假设接地软件系统的安全使用温湿度到本准则表8.1规则的105(A)级不可以的温湿度  ，则该软件测试隐疼用 。

特殊情况4：如果电压器的耐压性控制系统应用热固性清漆  ，并完完全全前保险杠电机绕线线可以防止热固性灌胶封与电机绕线耐压性接受  ，则该测试图片不满用 。

条文3：7.2A.2 Grounding

7.2A.2.7 When the path between the grounding connection means and the ground termination point in the product includes PWB traces, the construction is to be evaluated per the bonding conductor tests in 8.23.

不保护等电位连接衔接装置设备和保护等电位连接端触点开关两者的路径分析以及PWB铺线时  ，应该风险评估8.23 bonding conductor tests 。

法条4：SUPPLEMENT SF–LED EQUIPMENT WITH WIRED CONTROL CIRCUITS

LED机械常用於控住电率、光伤害效能特点、操控或效能数据文件网络传输等的控住线路需附合SF 的让 。

Marking requirement

1. Identification of the terminals or lead wires for control circuits, Identification of the intended industry or proprietary protocols;

2. Device wired control circuit marked ‘Class 2’;

3. “CAUTION: More than one power supply present” or equivalent;

4. “Notice: This control circuit is not isolated - see installation instructions” or equivalent;

5. Installation instructions.

Marking 的要求

1. 调整的线路接线端子排或线缆认别  ，制造业或专有协议认别；

2. “Class 2”如操控配电线路已评诂Class 2或外接Class 2主机电源；

3. “CAUTION: More than one power supply present” 如控住配电线路是外接非Class 2供电；

4. “Notice: This control circuit is not isolated - see installation instructions” 如的控制控制电路实属隔离霜并满足了豁免法条SF3.1；

5. 按照阐述 。

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