What is UL 60335-2-420 ?

What is UL 60335-2-420 and What Does It Serve?

UL 60335-2-420 is a safety standard published by Underwriters Laboratories (UL) that outlines the safety requirements for portable transformers, power supplies, battery chargers, and similar household electrical appliances. This standard specifically covers the safety requirements for these products, which are designed for household use.

The primary purpose of UL 60335-2-420 is to ensure the safety of consumers when using electrical appliances. It sets forth specific guidelines for manufacturers to follow in order to prevent potential hazards such as electric shock, fire, or mechanical injuries. To comply with this standard, manufacturers must design and produce their products in a way that minimizes risks associated with electrical components, wiring, insulation, temperature rise, and other potential dangers.

UL 60335-2-420 addresses various aspects of electrical safety, including electrical continuity, insulation resistance, and voltage. It also specifies requirements for the use of materials that are resistant to fire and electrical currents, as well as guidelines for the testing and labeling of electrical products.

UL 60335-2-420 is an essential standard for manufacturers of electrical appliances, and it helps to ensure the safety of consumers when using these products. By following the guidelines set forth in this standard, manufacturers can create products that are safe, reliable, and free from potential hazards.