Shenzhen BST Technology Co., Ltd. Test Report
Report Number: BSTXD210921169022SR
Standard: UL 588 - 2020, Standard for Safety for Seasonal and Holiday Decorative Products
Test Report Summary
Date of Issue: September 11, 2021
Total Number of Pages: 9 Pages
Compiler: Toby Zhong
Auditor: Tom Chen
Approver: Salon
Applicant Information
Applicant's Name: SHENZHEN LANGMA TECHNOLOGY LIMITED
Address: Rm. 1001, No.384 Of Gushu 1st str, Gushu Community, Bao'an District, Shenzhen, China
Product Details
Product Name: Smart LED String Light
Model/Type Reference: LM-WF-S14-48, LM-WFSL-001, LM-WFSL-002, LM-WFSL-003, LM-WFSL-004, LM-WFSL-005, LM-WFSL-006, LM-WFSL-007, LM-WF-S14-48-UK, LM-WF-S14-48-US
Test Standard: UL Standard for Safety for Seasonal and Holiday Decorative Products, UL 588
Compliance Requirement: Meet the requirements of 16CFR 1120.3 (C)
Testing Laboratory Information
Testing Laboratory: Shenzhen BST Technology Co., Ltd. (ISO17025 CNAS No.L3574)
Laboratory Address: 4Add:Building No.23-24, Zhiheng Industrial Park, Guankouer Road, Nantou, Nanshan District, Shenzhen, Guangdong, China
General Remarks
The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the issuing testing laboratory. Throughout this report, a comma (,) is used as the decimal separator.
Possible Test Case Verdicts
- - test case does not apply to the test object: N/A (or N)
- - test object does meet the requirement: P (Pass)
- - test object does not meet the requirement: F (Fail)
- - Testing Instructions of standards only: Info (Information Only)
Test Item Details
Date of Receipt of Test Item: September 1, 2021
Date(s) of Performance of Tests: September 1, 2021 to September 14, 2021
Product Information
General Product Information:
- Electrical Ratings: Input AC100V-120V 50/60Hz
- Bulbs: S14 E27/2W/100-120VAC 2700K
- Length: 49ft
- Socket Distance: 3.2ft 15 sockets
- Drop Length: 0.32ft
- Input Watt, Max: 30W
- Local Use: Wet
Maximum Test Ambient Temperature: 25°C
Marking Plate (Representative)
Model: LM-WF-S14-48-UK
Details: 220-240VAC 50/60Hz, Max 2W per lamp holder, 15pcs lamp holder, only for LED use, CE IP44
Made in: China
Manufacturer: SHENZHEN LANGMA TECHNOLOGY LIMITED
Address: R1001, SHIJIE BUILDING, NO.384 OF 1ST GUSHU ROAD, XIXANG STREET, BAO'AN DISTRICT, SHENZHEN, CHINA
Warranty: 1-year limited warranty. Questions? please contact consumer care at langma@langman.com, 0086-755-82580568
Electrical Diagrams
Detachable power-supply cord with fusing in accordance: A visual representation shows a detachable power cord with a fuse holder.
Circuit Diagram:
- Diagram 1: Shows a circuit with a fuse (F1) connected to a power source and an LED.
- Diagram 2: Shows a circuit with a fuse (F2) connected to multiple lamps (LEDs) in series, with a connection to a power source.
Test Clauses and Requirements
| Clause | Description Requirement | Result - Remark | Verdict |
|---|---|---|---|
| 6 | Types of Wire | P | |
| 6.1 | Wire types and overcurrent protection ratings for series-connected seasonal lighting products | P | |
| 6.2 | Wire types and overcurrent protection ratings for parallel-connected seasonal lighting products | 22AWG >20AWG | P |
| 7 | Overcurrent Protection | P | |
| 7.1 | A product covered by this standard shall be provided with integral overcurrent protection which complies with the Standard for Low-Voltage Fuses – Part 1 | N/A | |
| 7.2 | A product employing a power inlet intended for use with a cord set or a detachable power-supply cord shall be provided with fusing in accordance with this Section: a) In the power inlet or adjacent to the point of connection to the power-supply source provided by the product, and b) In the detachable power-supply cord if provided. | Approved fuse with UL248 In the power inlet | P |
| 7.3 | The overcurrent protection shall be either an integral part of the attachment plug or current tap, or of a through-cord design (in-line fuseholder) located so that there is not more than 6 inches (152 mm) between the face of the attachment plug or current tap and the side of the fuseholder furthest from the attachment plug or current tap. If a through-cord design is employed, a minimum No. 20 AWG (0.52 mm2) wire shall be used between the attachment plug or current tap and the fuseholder. | N/A | |
| 7.4 | The rating of the overcurrent protection shall be as indicated in Tables 6.1 or 6.2. | Fuse specification 8A125V, Maximum conductor current of a fully loaded 1.8A | P |
| 7.5 | A product provided with a polarized line fitting shall employ one fuse which shall be connected to the ungrounded (narrow) blade of the attachment plug or current tap, and be replaceable. | N/A | |
| 7.6 | A product employing a replaceable fuse shall be provided with at least one spare fuse. | N/A | |
| 7.7 | A product provided with a non-polarized line fitting shall employ two fuses, one connected to each conductor, which are not required to be replaceable. | N/A | |
| 15 | Strain Relief | P | |
| 15.1 | A seasonal lighting product shall be provided with strain relief such that a pull exerted on the supply cord cannot be transmitted directly to terminals, splices, or interior wiring of the unit. | P | |
| 15.2 | If a seasonal lighting product is provided with a wiring device, such as an attachment plug, cord connector, or current tap, strain relief shall be provided such that a pull exerted on the wire or cord cannot be transmitted directly to the terminals or interior wiring of the wiring device. Compliance shall be determined by the Strain Relief Test, Section 71. | Test in 71 | P |
| 15.3 | If a seasonal lighting product is provided with a series-connected lampholder, strain relief shall be provided for the wire attachments at each lampholder, and the insulation on each connected wire shall be held securely. Compliance shall be determined by the Strain Relief Test, Section 46. | N/A | |
| 15.4 | Each surface borne upon or otherwise contacted by a strain-relief knot in a flexible cord shall be free from all burrs, fins, and other projections or sharp edges that can damage the wires. | P | |
| 15.5 | An electronically-operated ornament shall be provided with strain relief such that a pull exerted on any external leads subject to handling cannot be transmitted directly to the terminals, splices, or internal wiring of the unit, including the adaptor. Acceptability shall be determined by the Strain Relief Test, Section 101. A non-electronically-operated ornament shall comply with the Lampholder Strain Relief Tests, Section 79. | TEST IN 79 | P |
| 71 | Strain Relief Test | P | |
| 71.1 | a) Neither conductor of the pair shall become detached from the terminal to which it is connected, b) There shall not be exposure of live parts as determined by contact with the probe illustrated in Figure 9.1, c) There shall not be any breakage of the cord, and d) The leads shall not be displaced more than 1/16 inch (1.6 mm) from the point of entry into the device. | 0.9mm | P |
| 71.2 | One device is to be securely supported | >18AWG 146N | P |
| 79 | Lampholder Strain Relief Tests | P | |
| 79.1 | Lead pull test | P | |
| 79.1.2 | a) The average of the recorded pull values is at least 27 lbf (120 N), b) No lampholder or connection sustained damage at less than 24 lbf (107 N), and c) No portion of the conductor becomes exposed outside the lampholder body. | Average pull values 131N, Minimum 116N | P |
| 79.2 | Secureness of leads test | P | |
| 79.2.1 | a) There is no damage to the lead connection, b) There is no breakage of the conductor, c) No portion of the conductor becomes exposed outside the lampholder body, and d) The leads are not displaced more than 1/16 (1.6 mm) from the point of entry into the lampholder body. | 0.8mm | P |
| 79.2.2 | Each of three previously untested lampholders is to be subjected to this test. | >20AWG 95N | P |
Statement
- This report is invalid without special seal for inspection and testing and cross stitch seal of testing unit.
- This report is invalid without the signature of compile, check and approve.
- This report is invalid if altered.
- The copy of this report is invalid without the special seal for inspection and testing of the inspection unit and the cross stitch seal.
- This report shall not be used for all kinds of advertising.
- Any objection to the test results of this report should be raised within 10 working days from the date of receiving the report.
- For non-laboratory sampling (or on-site inspection), the inspection results in this report are only responsible for the samples (or the inspected parts / areas).
End of Report