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GB/T 39943-2021 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39943-2021: Performance requirements for LED lighting chains
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39943-2021	189	Add to Cart	3 days	Performance requirements for LED lighting chains	Valid

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Basic data

Standard ID: GB/T 39943-2021 (GB/T39943-2021)
Description (Translated English): Performance requirements for LED lighting chains
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K72
Word Count Estimation: 10,199
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39943-2021: Performance requirements for LED lighting chains

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Performance requirements for LED lighting chains ICS 29.140.40 K72 National Standards of People's Republic of China LED light string performance requirements Released on 2021-03-09 2021-10-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Product Category 1 4.1 Classification according to the LED modules used in the light string 1 4.2 Classification by purpose 2 5 General requirements 2 6 General test requirements and conditions 2 7 Technical requirements 3 7.1 Mark 3 7.2 The color of light 3 7.3 Input power 4 7.4 Lifetime 4 8 Test method 5 8.1 Mark 5 8.2 The color of light 5 8.3 Input power 5 8.4 Lifetime 5

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China National Light Industry Council. This standard is under the jurisdiction of the National Lighting Standardization Technical Committee (SAC/TC224). Drafting organizations of this standard. Shanghai Shidaizhiguang Lighting Electrical Testing Co., Ltd., Huizhou NVC Optoelectronics Technology Co., Ltd., National Lighting Quality Quantity Supervision and Inspection Center. The main drafters of this standard. Zhuang Xiaobo, Wang Ye, Zhang Shuzhen, Li Jiangshan, Lin Jigang, Shi Xiaohong. LED light string performance requirements

1 Scope

This standard specifies the performance requirements and test methods for light strings with a power supply voltage not exceeding 250V and using LED light sources. This standard applies to decorative light strings that are used indoors and outdoors, connected in series or parallel, and connected in series and parallel.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 2423.18-2012 Environmental test Part 2.Test method Test Kb. Salt spray, alternating (sodium chloride solution) GB 7000.1 Lamps Part 1.General requirements and tests GB 7000.9 Lamps Part 2-20.Special requirements string lights GB 17625.1 EMC limit harmonic current emission limit (equipment input current per phase≤16A) GB/T 17625.2 The limit of electromagnetic compatibility is for equipment with rated current ≤ 16A per phase and unconditionally connected in public low-voltage power supply Limitations of voltage changes, voltage fluctuations and flicker generated in the system GB/T 17743 Limits and measurement methods of radio disturbance characteristics of electrical lighting and similar equipment GB/T 18595 General lighting equipment electromagnetic compatibility immunity requirements GB 19510 (all parts) light control device GB/T 24823-2017 LED module performance requirements for general lighting GB/T 31897.201-2016 Lamp Performance Part 2-1.Special Requirements for LED Lamps GB/T 33721-2017 LED lamps reliability test method

3 Terms and definitions

The following terms and definitions defined in GB 7000.1, GB/T 31897.201-2016 and GB 7000.9 apply to this document. 3.1 Decorativelightingchains The main function of luminescence is to attract attention, not to illuminate the surrounding environment. 3.2 Unicolour Only one light color is presented, but the light color is not necessarily a spectrum of a single frequency (or wavelength). Note. Examples of single light colors, such as white light, red light, etc. 3.3 Monochromaticlight Light of a single frequency (or wavelength).

4 Product Classification

4.1 Classification according to the LED modules used in the light string LED light strings are divided into LED modules used in the light string. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39943-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39943-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39943-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39943-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.