【正文】 D ARRAY (LED MODULE) 177。re or 175。 Part 3: Class 2 and Class 3 Transformers, UL 50853. CIRCUIT, ISOLATED LOW VOLTAGE LIMITED ENERGY (LVLE) 177。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or characteristic not required in the application of the ponent in the product covered by this standard, or b) Is superseded by a requirement in this standard.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。無論是印刷還是電子版的標(biāo)準(zhǔn)應(yīng)以任何方式改變。 The following table lists the future effective dates with the corresponding reference. 下表列出了未來有效日期與相應(yīng)的參考。 Users of the electronic versions of UL39。 The new and revised requirements are substantially in accordance with Proposal(s) on this subject dated June 7, 2020 and October 11, 2020. 新的和修改需求大幅按照提案 (s)在這個(gè)問題上 6月 7日 ,2020年和 2020年 10月 11日 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. 保留所有權(quán)利。 Delete paragraph and add Section 絕緣材料在變形金剛和線圈 177。tness為任何目的 In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of pro174。s puter system. 用戶的電子版本的 UL標(biāo)準(zhǔn)安全同意保護(hù) ,賠償 ,并持有 UL無害從和反對(duì)任何損失 ,費(fèi)用 ,責(zé)任 ,損失 ,索賠 ,或判斷 (包括合理的律師費(fèi) )所產(chǎn)生的任何錯(cuò)誤或偏差引入 ,而購買者是存儲(chǔ)電子標(biāo)準(zhǔn)對(duì)買方的計(jì)算機(jī)系統(tǒng)。 Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in UL39。 2020 UNDERWRITERS LABORATORIES INC. ANSI/UL 87502020 MAY 22, 2020 UL 8750 3 CONTENTS INTRODUCTION 1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Units of measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Reference publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 3 De174。c conditions. Units of measurement Except for conductor size, values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. All values of voltage and current are true root mean square (rms) values unless otherwise indicated. For customary purposes wire sizes are in American Wire Gauge (AWG). Reference publications Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. 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 NOVEMBER 18, 2020 UL 8750 7 3 De174。 V peak ac, or 0 177。 An exterior or interior location that is normally or periodically subject to condensation of moisture in, on, or adjacent to, electrical equipment, and includes partially protected locations. c) WET LOCATION 177。 A power source that adjusts the voltage or current to LEDs, ranging in plexity from a resistor to a constant voltage or constant current power supply. Also referred to as Lamp Control Gear. (See also Power Source.) LED PACKAGE 177。nes a range of test values for a given electrical/mechanical property test for polymeric (plastic) materials as de174。 An electronic device capable of controlling current, voltage, or power within its design limits. 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 MAY 22, 2020 UL 8750 8A RISK OF ELECTRIC SHOCK 177。 A generic term meaning any discrete device, subassembly, or assembly. UNIT, FIXED 177。 Part 2: General Purpose Transformers, UL 50852, or d) The Standard for DryType General Purpose and Power Transformers, UL 1561. revised November 1, 2020 A power supply, LED driver, or transformer shall be used within its rated input, output, and environmental ratings. 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 MAY 22, 2020 UL 8750 9 CONSTRUCTION 5 Environmental Considerations A unit intended for dry locations only shall be so identi174。 Safety 177。 A risk of 174。 An electrical source, such as a transformer or power supply that plies with the requirements of the Standard for Class 2 Power Units, UL 1310, or the Standard for Low Voltage Transformers 177。