2019

Aug. 30. 2019

When are fuses needed in Line and Neutral for industrial applications? Fusing | Safety Certification

Jul. 31. 2019

When are dual fused power supplies not permitted? 60950-1 | Fusing | Safety Certification

2018

Jun. 27. 2018

An update to the transition from IEC 60950-1 to IEC 62368-1 60065-1 | 60950-1 | 62368-1 | Legislation | Safety Certification

2017

May. 24. 2017

Medical power supplies meeting IEC 60601-1-2 4th edition voltage dips and interruptions 60601-1 | EMC & EMI | Medical | Safety Certification

2016

Nov. 22. 2016

How does IEC 60601-1-2 EMC 4th Edition relate to power supplies? 60601-1 | EMC & EMI | Medical | Safety Certification

2015

Oct. 29. 2015

Power Supply Safety Reports and Certifications 60950-1 | CB Report | Safety Certification

Jan. 05. 2015

Pollution Degree Ratings for Power Supplies Application Information | Pollution Degree | Safety Certification

2014

Aug. 26. 2014

Ground Continuity & Ground Bonding Tests on Power Supplies Grounding | Safety Certification

Jul. 31. 2014

UL 60601-1 and ANSI/AAMI ES 60601-1 60601-1 | ANSI/AAMI | Legislation | Safety Certification

2013

Mar. 05. 2013

What does SELV mean for Power Supplies? 60950-1 | Safety Certification | SELV

2012

Oct. 09. 2012

How Does Altitude Affect AC-DC Power Supplies? 60950-1 | Altitude | Safety Certification

Jun. 13. 2012

What is a Limited Power Source? 60950-1 | Limited Power Source (LPS) | Safety Certification

2011

Dec. 05. 2011

What is a Power Supply’s IP Rating? Application Information | Ingress Protection (IP) | Safety Certification

Jul. 06. 2011

What does a BF rating on a power supply mean? 60601-1 | Applied Part | BF Rating | Safety Certification

May. 23. 2011

Class 2 or Class II power supplies? 60950-1 | Class 1 & 2 | Class I & II | Safety Certification

Apr. 01. 2011

Where’s the CSA logo on my power supply? Product Marking | Safety Certification

2010

Sep. 30. 2010

How does the new UL Mark affect me? 60601-1 | 60950-1 | Product Marking | Safety Certification

Aug. 02. 2010

Power Supply Leakage Current Testing to IEC60990 Leakage and Touch Current | Safety Certification

May. 13. 2010

Common safety standards used with power supplies 60601-1 | 60950-1 | 61010-1 | Safety Certification

Mar. 03. 2010

Hipot or Dielectric Strength Testing Application Information | Dielectric Strength Test | Hipot Test | Safety Certification

2007

Nov. 05. 2007

Guide to EMC Standards for Power Supplies EMC & EMI | Safety Certification

Oct. 08. 2007

Why is my power supply input only rated from 100-240VAC? Product Marking | Safety Certification