Folks,
EN 60950-1 defines the requirements for SELV as well as many other
requirements.SELV is required under certain conditions as defined and where
it's not required it's not needed. EN 60950-1 does not state that all control
circuits must be SELV. Therefore all control circuits need
Having worked in many US standards development
organisations (SDOs) I would tend to describe their attitude
as parochial. This is partly because the working groups are
mainly made up of US people who have not been exposed to the
international scene. On the face of it the 315/315A must be
In message 54bba7c3.3040...@gmail.com, dated Sun, 18 Jan 2015, Mick
Maytum mjmay...@gmail.com writes:
It would be nice to find a lower cost drawing package with a correctly
drawn symbol set.
Check out DraftSight?
--
OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk
When I
We have been using AutoCAD light as our company standard for schematics and
wiring diagrams for many years (hence the reason for the question) so there's
no additional investment needed for that. We use other non-AutoCAD packages
for mechanical (3-D) design. And we use DraftSight as a
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