Insert Voltage Drop Schedule
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The Voltage Drop Schedule command is used to calculate and display the voltage drop on the feeders and branch circuits in the project. See the section for information on how voltage drop is calculated.
To insert the voltage drop schedule, go to
DM Electrical->One-Line Schedules->Voltage Drop Schedule
Voltage Drop Schedule Dialog Box
Schedule Notes: A note that will appear below the schedule when inserted on the drawing.
Maximum Schedule Height: Whether or not the schedule has a maximum height. This height is inches on the printed page.
If this is not checked, the schedule will be in a single schedule.
If this is checked, you can specify the maximum height of the schedule. When the schedule exceeds this height, it will be continued in a second schedule next to the first. The label of the second schedule will have the Schedule Title Continued Label option added to it to indicate that it is a continuation of the first schedule. See the section for more information.
Specify on Drawing: Press this button to specify the Maximum Schedule Height on the drawing. The dialog box will be closed and you will be prompted to specify the height.
Specify maximum schedule height:
The distance that you enter on the drawing will be used as the maximum height. It is simplest to draw a line straight down to where the bottom of the schedule should be located.
Zoom to Schedule After Insertion: If this box is checked, the display will be moved to the schedule location after it has been inserted or updated. Check this box if you are having difficulty locating your schedule on a busy drawing.
Highlight Voltage Drops That Are Too High: Whether or not voltage drops that are too high are highlighted. If checked, feeder voltage drops that exceed 3%, branch circuit voltage drops that exceed 3%, and total voltage drops that exceed 5% will be highlighted. These values are based upon NEC 210.19(A)(1) FPN No. 4 and NEC 215.2(A)(3) FPN No. 2.
Circuits to Display: The branch circuit with the highest voltage drop will be shown for every one-line device. You also can choose to display additional branch circuit voltage drops.
Edit Title, Column Labels, and Column Order: Press this button to modify the layout of the schedule on the drawing. See the section for more information.
Inserting or Updating the Schedule on the Drawing
To insert or update the schedule, press OK.
Inserting the Schedule the First Time
If the voltage drop schedule is not currently inserted on the drawing, you will be prompted for the insertion location of the schedule.
Specify insertion point for voltage drop schedule:
The location you specify will be used as the top-left corner for the voltage drop schedule.
Updating the Schedule Already on the Drawing
If the voltage drop schedule is already inserted on the drawing, it will be updated in its current location.
It is necessary to update the schedule on the drawing when you make changes to the project schedule. The schedule will not update automatically.
The voltage drop schedule will also be updated when thecommand is run.
If you have manually inserted graphics, such as revision clouds, over the schedule graphic, always be certain to check their location after updating the schedule.
If there are errors in the one-line device definitions, an alert dialog box will be displayed alerting you to the errors. For more information on fixing these errors, see thesection.
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