【正文】 ed and shall not be provided with any information such as markings, instructions, or illustrations that implies or depicts damp or wet use. A unit intended for damp locations shall be: a) Subjected to the environmental tests of unless all live parts and traces on the printed wiring board are po。 Part 3: Class 2 and Class 3 Transformers, UL 50853, b) The Standard for Transformers and Motor Transformers for Use in Audio, Radio and TelevisionType Appliances, UL 1411, c) The Standard for Low Voltage Transformers 177。 Part 1: General Requirements, UL 609501 (refer to Appendix B for additional requirements for power supplies), c) The Standard for Power Units Other Than Class 2, UL 1012, or d) The Standard for FluorescentLamp Ballasts, UL 935. revised October 17, 2020 A transformer for use with LED units that plies with any one of the following standards is considered to meet the intent of the requirements of this standard: a) The Standard for Low Voltage Transformers 177。 A unit that is intended to be fastened in place or located in a dedicated space, and is provided with a powersupply cord for connection to the supply circuit. UL COPYRIGHTED MATERIAL – NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Document Was Downloaded By jeanne han For Use By CHENGDU NETON OPTOELECTRONIC TECHNOLOGIES CO LTD 30232 : 6/27/2014 9:58 AM 8B UL 8750 MAY 22, 2020 4 Power supplies, LED Drivers, and Transformers A power supply or LED driver shall ply with the requirements of this standard. Compliance with the requirements of one or more of the following standards shall be considered to meet the intent of any equivalent requirements within this standard: a) The Standard for Class 2 Power Units, UL 1310, b) The Standard for Information Technology Equipment 177。 A unit intended to be permanently connected electrically to the wiring system. UNIT, PORTABLE 177。ned at the discretion of the manufacturer. added May 22, 2020 UNIT 177。re exists in all electrical circuits except: a) A Class 2 circuit, b) An LVLE circuit, or c) A circuit of 15 W maximum power limit under normal and single fault conditions, as measured in accordance with . revised May 22, 2020 TEST REFERENCE POINT 177。 200 Hz shall be limited to V in dry and damp locations, and V in wet locations. Table revised October 17, 2020 RISK OF FIRE 177。 A risk of electric shock exists between any two conductive parts or between a conductive part and earth ground if the continuous current 175。ned by . POWER SUPPLY 177。 Part 3: Class 2 and Class 3 Transformers, UL 50853. POWER SOURCE, ISOLATED LOW VOLTAGE LIMITED ENERGY (LVLE) 177。 See Section 725 of the National Electrical Code (NEC), ANSI/ NFPA 70. revised October 17, 2020 POWER SOURCE, CLASS 2 177。ned in the Standard for Polymeric Materials 177。 An integer that de174。re limits. PART, LIVE 177。 A conductive part that, under normal operating conditions, carries no electrical current other than leakage current. revised November 1, 2020 PART, HAZARDOUS LIVE 177。 An assembly of one or more LED die that contains wire bond connections and may include an optical element and thermal, mechanical, and electrical interfaces. The package does not include a power source and is not connected directly to the branch circuit. MEASUREMENT INDICATION UNIT (MIU) 177。 Electronic circuitry interposed between the power source and an LED array to dim, switch, or otherwise control the electrical energy to the LED array. The device does not contain a power source and is not connected directly to the branch circuit. LED DRIVER 177。 A solidstate ponent embodying a pn junction, emitting optical radiation when excited by an electric current. UL COPYRIGHTED MATERIAL – NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Document Was Downloaded By jeanne han For Use By CHENGDU NETON OPTOELECTRONIC TECHNOLOGIES CO LTD 30232 : 6/27/2014 9:58 AM 8 UL 8750 OCTOBER 17, 2020 LED ARRAY (LED MODULE) 177。 A terminal having a contact pin that punctures the conductor insulation and perates between the conductor strands. ISOLATED OUTPUT 177。 A location in which water can drip, splash, or 175。 A location not normally subject to dampness, but may include a location subject to temporary dampness, as in the case of a building under construction, provided ventilation is adequate to prevent an accumulation of moisture. b) DAMP LOCATION 177。re or 175。 A part of the equipment intended to limit access to parts that are operating at voltage levels in excess of Class 2 or LVLE. ENCLOSURE, FIRE 177。 30 V dc, or b) 150/V amps, for a voltage between 30 177。 and a maximum output current limited to: a) maximum 8 amps for 0 177。 Part 3: Class 2 and Class 3 Transformers, UL 50853. CIRCUIT, ISOLATED LOW VOLTAGE LIMITED ENERGY (LVLE) 177。 A part of the unit intended to physically limit access to parts that pose a risk of electric shock. CIRCUIT, CLASS 2 177。nitions For the purpose of these requirements, the following de174。ed limits, and shall be used only under those speci174。c requirement that: a) Involves a feature or characteristic not required in the application of the ponent in the product covered by this standard, or b) Is superseded by a requirement in this standard. A ponent shall be used in accordance with its rating established for the intended conditions of use. Speci174。 700 nm. These requirements