About Outdoor power supply US standard
UL 1310 covers Class 2 battery chargers and power supplies intended for both indoor and outdoor use. The requirements in the standard apply to cord-connected and direct plug-in products with a maximum input power of 660W.
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6 FAQs about [Outdoor power supply US standard]
What are the new energy conservation standards for external power supplies?
The U.S. Department of Energy (DOE) has recently proposed new energy conservation standards for External Power Supplies (EPSs). These proposed standards, known as Trial Standard Level 4 (TSL4), aim to tighten energy efficiency requirements across all types of EPSs. TSLs are a tool used by the DOE to set energy conservation benchmarks.
Does Japan have an external power supply standard?
Japan has a mandatory energy efficiency standard and a voluntary program called Top Runner, but neither includes an external power supply specific standard. After California released its initial state regulation on external power supplies in 2004, Energy Star developed and released its first national standard for external power supplies.
What are the new standards for power supply design?
In 2014, the US Department of Energy formalized their newest mandatory standard and the EU’s voluntary Code of Conduct version 5 took effect. This white paper briefly explains the US and EU’s new standards and what they mean to power supply designers.
Are external power supplies regulated by the US & EU?
So far, in the few months that have passed in 2014, the US and the EU have imposed new regulations for external power supplies. As of January, tier 1 of the EU Code of Conduct (v5) standard for external power supplies became effective.
What are the certification requirements for external power supplies?
Per 10 CFR 430.32 (w) (4), external power supplies must bear an obvious and permanent marking that complies with the International Efficiency Marking Protocol for External Power Supplies. 10 CFR Part 429 sets certification requirements for products covered by 10 CFR Part 430, which includes external power supplies. These requirements include:
What is EISA's new external power supply energy conversation standard?
In February, the Department of Energy filed a final ruling on their new External Power Supply Energy Conversation standard, a significant expansion of the original EISA 2007 EPS standards. The original EISA standard had two classes of power supplies, Class A and Non-Class A power supplies.


