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What is UL 60335-2-322?

UL 60335-2-322 is a technical standard that outlines safety requirements for household and similar electrical appliances. It is part of a series of standards developed by Underwriters Laboratories (UL), an independent certification organization based in the United States.

The Purpose of UL 60335-2-322

The main purpose of UL 60335-2-322 is to ensure the safety of electrical appliances used in households and similar settings. It sets forth various requirements and tests that manufacturers must meet to prevent potential hazards, such as electric shock, fire, and mechanical injuries.

UL 60335-2-322 covers a wide range of appliances, including washing machines, dishwashers, refrigerators, and cooking equipment. By complying with this standard, manufacturers can demonstrate that their products are designed and built to meet rigorous safety standards.

The Key Requirements of UL 60335-2-322

UL 60335-2-322 specifies numerous safety requirements that manufacturers must adhere to when designing and manufacturing household electrical appliances. Some key requirements include:

Protection against electric shock: The standard requires appliances to have effective insulation and grounding mechanisms to prevent electric shock.

Overheating prevention: Appliances must be designed to avoid overheating, which can lead to fires or damage to the appliance itself.

Protection against mechanical hazards: Manufacturers must ensure that moving parts of appliances are adequately protected to prevent injuries during operation.

Safeguards against abnormal usage: The standard addresses potential risks associated with abnormal use or misuse of the appliance, such as unintended modification or improper maintenance.

Electrical components: UL 60335-2-322 outlines safety requirements for various electrical components used in appliances, such as switches, connectors, and wiring.


UL 60335-2-322 plays a crucial role in ensuring the safety of household and similar electrical appliances. By complying with this standard, manufacturers can provide consumers with peace of mind, knowing that the products they use have undergone rigorous testing and meet strict safety requirements. As consumers, it is important to look for appliances that are certified by reputable organizations like UL to ensure the safety of our homes and families.

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