As more and more electronic products appear in daily life, "saving energy" will become an urgent issue that everyone must face in the 21st century. The California Energy Commission (CEC) will implement a new mandatory standard for the energy efficiency of AC-DC and AC-AC external power supplies on July 1, 2006. At that time, almost all electronic products will be affected.

The standard will cover all products that use external power supplies (such as chargers and adapters), including mobile phones, home cordless phones, portable music players, handheld game consoles, toys, etc., and require these products to use energy in a more efficient way when in standby and in use.

This means that after mid-2006, all transformers, external power supplies, adapters, and chargers used in the United States and to be sold to the United States must change their designs.

In addition to saving energy, CEC's new regulations will also have a significant impact on environmental protection. According to the company's statistics, if all external power supplies in California can follow the new standards, California will be able to reduce more than 360,000 tons of carbon dioxide emissions each year, which is equivalent to the annual emissions of 60,000 cars.

The regulation stipulates that electrical products must first meet the equipment energy efficiency regulations when they are sold in California, USA. The regulation stipulates energy efficiency index requirements, measurement methods and phased implementation plans for 58 types of electrical products. According to the requirements of the regulation, electrical products must be tested by qualified laboratories in accordance with relevant US regulations or standards, and can only be sold in California, USA after being proven to meet the requirements.