CE Mark

An update on CE Marking Electrical Cable

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CE Mark­ing Wire and Cable In an earli­er post, I wrote about the require­ments for CE Mark­ing wire and cable and dis­cussed the <HAR> mark. In 2016, the Con­struc­tion Products Reg­u­la­tion 305/2011 (CPR) came into effect, repla­cing the Con­struc­tion Products Dir­ect­ive 89/106/EEC. The CPR included pro­vi­sions cov­er­ing any kind of mater­i­als that could be used in […]

Canada

ISO 13849 – 1 Analysis — Part 6: CCF — Common Cause Failures

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This entry is part 6 of 9 in the series How to do a 13849 – 1 ana­lys­is

What is a Com­mon Cause Fail­ure? There are two sim­il­ar-sound­ing terms that people often get con­fused: Com­mon Cause Fail­ure (CCF) and Com­mon Mode Fail­ure. While these two types of fail­ures sound sim­il­ar, they are dif­fer­ent. A Com­mon Cause Fail­ure is a fail­ure in a sys­tem where two or more por­tions of the sys­tem fail at the same time from a single […]