Vacuum cleaners can be divided into vertical, horizontal and portable according to their structure. The working principle of the vacuum cleaner is to use the motor to drive the blades to rotate at a high speed to generate negative air pressure in the sealed casing to absorb dust.

UL certification is a product safety certification, and a product passing UL certification indicates that the product safety of the factory is more credible and more favored by North American consumers, because they have more confidence in the products of UL certified companies. If the vacuum cleaner wants to be exported to North America, it needs to apply for UL certification, the UL safety standard for vacuum cleaners: UL1017.

Amazon US applies for vacuum cleaner UL1017 standard test items:

1. High pressure test

2. Leakage current test

3. Oven aging test

4. Voltage drop test

5. Temperature test

6. Overload test

7. Current limiting device performance

8. Hose extrusion resistance test

9. Temperature aging test

10. Bending test

11. Wear test

12. Washing water test

For the vacuum cleaner UL certification test process:

1: Certification consultation: confirm the test fee and cycle

2: Sample preparation, fill in the application form

3: Contract signing and payment of fees

4: Engineers conduct UL certification tests

5: After the test is completed, issue a report

6: Follow-up services such as original report and electronic file report