---
title: US Department of Energy Releases Pre-publication Final Rule on Standards for External Power Supplies
description: US Department of Energy Releases Pre-publication Final Rule on Standards for External Power Supplies
---

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# [US Department of Energy Releases Pre-publication Final Rule on Standards for External Power Supplies](https://go.adherent.com/commentary-analysis-old/us-department-of-energy-relases-pre-publication-final-rule-on-standards-for-external-power-supplies)

 Written by [complianceandrisk](https://go.adherent.com/commentary-analysis-old/author/complianceandrisk) | Feb 4, 2014, 11:19:38 AM

The US Department of Energy (DOE) has issued a pre-publication *Federal Register* final rule prescribing new energy conservation standards for external power supplies (February 3, 2014).

This new standard applies to all direct operation External Power Supplies (EPSs) and includes, in addition to Class A power supplies previously covered by 2007 standards, power supplies that have not previously been subject to DOE regulations, such as multiple-voltage EPSs, EPSs with nameplate output power greater than 250 watts, and some EPSs that charge the battery of a product that is fully or primarily motor operated. Compliance with these standards will go into effect two years after publication in the *Federal Register. *

For further information, why don't you [**Ask Our Experts**](http://www.complianceandrisks.com/services/ask-our-experts/) for free?!

[View full post](https://go.adherent.com/commentary-analysis-old/us-department-of-energy-relases-pre-publication-final-rule-on-standards-for-external-power-supplies)

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