Rules to post here and in s.e.e.c

Hello All, reading this list for some little time now, I would like to know whether it's suitable or impolite to post the same topic here and in the sci.engr.electrical.compliance newsgroup or what delay for a repost in the other group/list is adequate. After all I wonder what's the priority

Grounding of EUT in EN61000-4-6 conducted immunity test

Hello All, how shall conductive cases of a EUT (intended to be mounted to a grounded metal construction in real life) be connected to the reference plane during a EN61000-4-6 test: directly, via a resistor or not at all? I remember only that (auxiliary?) earth connectors have to be

[PSES] DO-160 Lightning: Common mode / differential mode, pin testing details?

Hi all, please help a newbie to understand the intentions of DO-160 lightning tests. Do I understand this correctly: All section 22 lightning tests are between the pin and the case of the equipment unless there is a "Local Ground"? And "Local Ground" applies *only* if the connection is

[PSES] Notice about LVD compliance in a DoC for machinery?

Hi all, the "Guide to application of the Machinery Directive 2006/42/EC", Edition 2.2: https://ec.europa.eu/docsroom/documents/38022 states: "...Thus, whilst machinery with an electrical supply, which is not in any of the categories listed in Article 1(2) (k) of MD, shall fulfil the safety

Re: [PSES] Notice about LVD compliance in a DoC for machinery?

Charlie Blackham wrote: The issue is that the legal bit stating that only the MD applies and not the LVD is in the MD (below) and not included in the list of exemptions in Annex II of the LVD 1.5. RISKS DUE TO OTHER HAZARDS 1.5.1. */Electricity supply/* Where machinery has an electricity

[PSES] Suggestions for SOHO Frequency inverters?

Hi all, can anyone suggest inverters in the 300..500W range suitable for "non-industrial" environments, i.e. with low emissions and low leakage currents (mains plug, RCD compatible)? Most suppliers seem to only target industrial applications and don't bother with bench top devices. TIA Oliver

Re: [PSES] Notice about LVD compliance in a DoC for machinery?

Dürrer Bernd wrote: (Annex II of the Machinery Directive point 4) "a sentence expressly declaring that the machinery fulfils all the relevant provisions of this Directive and where appropriate, a similar sentence declaring the conformity with other Directives Correct. In my current