Re: Re[2]: Proposed changes to UL 1950 3rd Edition

1997-03-02 Thread Victor L. Boersma
My comments are the rock in the big pond. YES. However, just back from INTER COMM 97. Anybody who thinks that in three years from now, when PCS is taking hold, when CATV companies offer dial tone and telcos are offering TV, we will be operating the old T1 pipe infrastructure, is ready for a ru

Re: Re[2]: Proposed changes to UL 1950 3rd Edition

1997-03-02 Thread Duane J Marcroft
Vic, I have a feeling your statements, in this case, are intended to be a large rock thrown into a very still pond so you can see what kind of waves it creates. :-) Even so I'll take the bait and add to the fray. I concur with Tania. I think your statement about obsolecents are bentrovato in t

RE: Exposure Limits for Burns

1997-03-02 Thread Robert Johnson
To: Michael Wright Sorry for the slow response, it took a while to dig out the references. European Norm EN 563 "Safety of machinery - Temperatures of touchable surfaces - Ergonomics data to establish temperature limit values for hot surfaces" may have what you are looking for. It contains contac

Re[2]: Proposed changes to UL 1950 3rd Edition

1997-03-02 Thread tania . grant
My dear Signore, There is a lot of equipment out there that is expected to last 10, 15, or more years. Thus, it becomes a catastrophe to have to redesign something that is not yet past its adolescence. Any equipment that "peddles" for 100K is not designed to beco