EMC China Lab

Amazon Light String UL588 Testing

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Update time : 2025-07-30

The UL588 Test Reportis a safety certification issued by Underwriters Laboratories (UL)in the United States. It primarily applies to seasonal and decorative lighting products, such as light strings. This standard is designed to ensure the electrical, fire, and mechanical safety performance of these products during use, thereby REDucing the risks of electric shock and fire.

 

### Amazon Requirements

According to Amazon’s regulations, all light strings must be tested and comply with the following laws, standards, and requirements:

 

Product Regulation, Standard & Requirement: UL 588 (Standard for Seasonal and Holiday Decorative Products)

 

### Scope of UL588 Applicable Products:

1. Seasonal and decorative lighting products and accessories, typically temporary-use, portable, plug-connected products with a maximum rated input voltage of 120V.

2. Specific examples include:

 

① Series and parallel-connected light strings

② Decorative lights

③ Light strings with flower covers

④ Snow houses

⑤ Frame lights

⑥ Iron-frame lights

⑦ Candelabra lights

⑧ Flashing controllers

 

However, products like water pipes and night lightsare notincluded.

 

> “Seasonal products” generally refer to items with colored lights that evoke a holiday theme, such as snow-covered decorations, holiday-dressed figures, or any items associated with holidays or specific seasons.

 

### UL588 Test Coverage Includes:

1. Electrical Performance testing: Verifies that voltage, current, and power conform to standard requirements.

2. Dielectric Voltage-Withstand Test: Ensures insulation effectiveness to prevent current leakage.

3. Fire Resistance Testing: Simulates overload and short-circuit conditions to assess fire resistance.

4. Water Resistance Testing: Checks the waterproof performance to avoid moisture-related damage.

5. Material Durability Testing: Verifies that the product functions safely over its expected lifespan without mechanical failure.

6. Performance Testing: Includes tensile strength, thrust force, and durability tests to ensure structural integrity and durability.

 

### Comprehensive Safety Coverage

The UL588 standard sets safety requirements across various stages — from product design and raw material selectionto manufacturing processes— ensuring that decorative light strings are safe for use under both normal and abnormal conditions, preventing hazards like fire and electric shock.

 

### UL588 Test Report Application Process:

1. Submit product samples

2. Complete the application form

3. JJR Laboratory in China conducts preliminary testing

4. Confirm the draft report

5. Issue the official report and upload it to the platform

6. Typical turnaround time: 5–7 working days


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