[PSES] Interior lighting for large control panels

All, I just finished reviewing older editions of UL 508 (2005) and UL 508A (2003) for any requirements specifically for interior lighting of large cabinets. This would be for cabinets large enough to be a container with personnel doors. I do see requirements for how to implement "maintenance

Re: [PSES] EN55024 - conducted immunity on 28VDC powered equipment

On Wed, 19 Apr 2017 18:51:28 -0700, "Ghery S. Pettit" wrote: > EN 55024 is based on CISPR 24:2010. Without looking at a copy of the EN > document (which, IIRC, only provides references), CISPR 24 clearly has a > table for a port called DC input. So, the short answer is,

Re: [PSES] Frequency range & transitted power for RED

Hi Scott, I think Charlie already answered this, but the “20 dBm” is the limit for 2.4 GHz WLAN and BT, as stated in the spectrum allocations and then again in the test standard (EN 300 328). Each type of band and product will have its own limit. Stating “<20 dBm” would just be

Re: [PSES] EN55024 - conducted immunity on 28VDC powered equipment

Thanks Ghery, I received a the EN55024 yesterday. You are correct, conducted immunity testes for DC powered ITE is within the scope. Best regards Amund On 2017-04-20 03:51, Ghery S. Pettit wrote: Amund, I have not seen any responses to your request, so here is mine. EN 55024 is based