View Full Version : Isolated Grounds
joshn
2010-06-02, 11:29 PM
How can i make the calculated tick marks do isolated grounds. It is our company's practice that in most buildings we use isolated grounds, but when i run a full boat (3 circuits in one conduit or homerun) i'm showing as 3 hots 1 neutral and 1 ground when i need to show 3 hots 1 neutral and 3 grounds. Any way to do this other than turn off calculated and manually do every wire?
RobertB
2010-06-03, 02:49 AM
I think you are going to find that even trying to turn off calculated, you still won't be able to change the wire counts except on the last wire segment. :cry:
brad-TEC
2010-06-03, 03:50 AM
isolated grounds was something we determined we were probably going to have to "fake", as we use a different tick mark for isolated grounds. I have found many issues lately with wires, tick marks, and callouts.
One thing I noticed today while going through a project is that even if you adjust the tick mark count, if you edit the tag to show wire sizes, there is a good chance it will show wrong. For instance, I had a 208v, 3ph load, and Revit initially showed 3 hots, 1 neutral and 1 ground. Ok, so I turned off the neutral. When I tagged it for wire size, it showed 3#8, 1#8, 1#10. So even though I turned off the neutral, Revit is still assigning the neutral wire to the load. Although I have yet to mess with conduit, I'm sure this will throw off conduit sizing as well.
Sorry to the OP for getting off on a tangent... :(
joshn
2010-06-07, 06:39 PM
Could you just edit the ground tick mark family to show two ticks?
brad-TEC
2010-06-07, 06:47 PM
Could you just edit the ground tick mark family to show two ticks?
Would it not always show 2 marks then, no matter if it was IG or not? Not sure if I explained this in my previous post... We use a long line with a circle on the end for a ground. For an IG, we use a half-circle, or arc-shaped tick mark.
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