Re: [PSES] List of Common Misuses

Brian, Sounds like a NRTL engineer is asking for possible misuses whether or not they may result in a hazard. And perhaps this is just to ensure that misuses have been considered and can be included in the listing report, to satisfy the internal report reviewers, or their certifying auditors, not

Re: [PSES] UL Standards Effectivity Dates

Hi Doug, I assume what you are really asking about is an NRTL listing to a UL standard. The NRTL listing certifies that the original equipment met the applicable standard when new as of the date of manufacture. The NRTL/certification makes no representation as to the state of the equipment afte

Re: [PSES] 21 CFR § 1040.10 - Laser products.

Hi Amund, Yes, and it depends on the power of the laser and the complexity of the product. The requirements are more stringent for higher power lasers. An initial product report must be submitted to FDA for each laser product and it can take some time to put that together depending on the comple

Re: [PSES] **External**[PSES] Fwd: Emergency Stop Function

Brian, Depending on your requirement you may need a risk assessment to something like ISO 12100 or ISO 13849-1. From that would be determined the minimum performance level of the safety control system. A single contactor could be used as the VFD manufacturer suggests. For higher performance le

Re: [PSES] Mandatory certification

Or typically the government organization, the AHJ, simply accepts the field inspection label applied by NRTL or other recognized entity. The owner/operator of the product is ultimately responsible for the inspection. I’ve never known a government organization to hire a NRTL for field inspection,

Re: [PSES] Purchase Mains Input Filters

We use a lot of Corcom and Schaffner. -Dave On Tue, Jan 21, 2020 at 2:24 PM Amund Westin wrote: > Any advice where to go when purchasing mains AC input filters? (for > conducted emission purpose) > > > > BR > > Amund > > > > - >