Circuit Edit

Allows you to set information used for sizing branch circuits. Opens the following dialog box:

Circuit Edit

edit-circuits

The wire size values that are calculated are stored in shared parameters on the circuits. These shared parameters can be displayed in your panel schedule in addition to or instead of the various built-in Revit parameters. See the Modifying Panel Schedules section for more information.

Electrical Equipment Tree: The tree on the left side of the dialog box lists all of the electrical equipment in your project. The equipment is organized based upon the connections in the model.

Panel Edit: Press this button to close this dialog box and run the Panel Edit command. The currently selected electrical equipment will be selected in the Panel Edit dialog box.

Circuit Lists: The grids in the middle list all of the circuits on the currently selected electrical equipment. If the electrical equipment is a panel with odd and even sides, the odd circuits are listed on the left and the even circuits are listed on the right. Otherwise, all of the circuits are listed on the left and the grid on the right will be blank.

Circuit Details: Information about the circuit that is selected is displayed in this grid.

When a feeder to a downstream piece of electrical equipment is selected, basic information about the feeder is displayed. To make changes, you need to go to the Panel Edit command. Select the electrical equipment connected to the circuit and make changes in the Feeder Settings section.

When a space is selected that has nothing connected to it, you will not be able to make any changes.

When a branch circuit is selected, make changes to the circuit using the fields listed below.

Description Prefix: Text that will be added to the front of the circuit description.

Description Suffix: Text that will be added to the end of the circuit description. It will be added before the room names if they are included.

Description Replacement: Text that will completely replace the circuit description. The circuit description on the device and the description prefix and description suffix text on the circuit will not be used.

Include Room Name in Description: Whether or not the rooms that are served by the circuit are included in the description.

Default: Use the Include Room Name in Description option set in the Options command.
Yes: Include room names at the end of the circuit description. The names of all of the spaces that have devices on this circuit in them will be listed. This list of rooms might be different from what Revit would show. Revit only shows a single room name if multiple rooms are on the circuit.
No: Room names are not included in the circuit description.

Breaker Trip Size: Sets the size of the breaker for the branch circuit. Used to set the Rating value of the branch circuit.

Size automatically: The breaker is sized to 125% of the connected load.
None: No breaker is used for the branch circuit. The Rating value is set to 0.
Specific ampacity: The breaker is sized to match the ampacity chosen from the list.

Breaker Frame Size: Sets the size of the frame for the branch circuit. Used to set the Frame value of the branch circuit.

Same as trip: The frame is sized to match the Breaker Trip Size value.
None: No frame is used for the branch circuit. The Rating value is set to 0.
Specific ampacity: The breaker is sized to match the ampacity chosen from the list.

Conductor Amps: Sets the size of the conductors.

Size automatically: The conductors are sized based upon the Breaker Size ampacity.
None: The branch circuit does not have any wires. The Wire Callout is set to a blank value.
Specific ampacity: The conductors are sized to match the ampacity chosen from the list.

Neutral Size: Sets the size of the neutral wire.

Size automatically: The neutral wire is sized to match the phase wire.
None: No neutral wire is included.
Specific wire size: The neutral wire is sized to match the wire size chosen from the list.

Ground Size: Sets the size of the ground wire.

Size automatically: The ground wire is sized automatically based upon the Equipment ground setting of the ampacity of the branch circuit.
None: No ground wire is included
Specific wire size: The ground wire is sized to match the wire size chosen from the list.

Conduit Size: Sets the size of the conduit.

Size automatically: The conduit is sized automatically based upon the wires. All conduits are sized using a 40% conduit fill (NEC Table 1).
None: No conduit is included for the feeder.
Specific conduit size: The conduit is sized to match the conduit size chosen from the list.

Conduit Fill: The conduit fill percentage for the branch circuit wire.

Wire Callout: The callout for the branch circuit listing all of the chosen wire sizes.

Circuit Length: The average distance from the electrical equipment to the devices on the branch circuit.

Default: The lengths are calculated based upon the Circuit Calculation Method option set in the panel in the Panel Edit command.
Straight line: The lengths are calculated based upon the straight line distance between the electrical equipment and the devices on this circuit. This calculation approximates lengths for wires running directly between devices, typically underground.
Right angles: The lengths are calculated based upon the distance along the axes of the building between the electrical equipment and the devices on this circuit. This calculation approximates lengths for wires running along the walls of the building.
Fixed: The length is a specific value provided by the user. Enter the length of the feeder in feet.

Building Angle: The orientation of the building used when Circuit Length is set to Right angles.

Voltage Drop: The voltage drop on the branch circuit. The calculated value is based upon the load on the circuit, the wire size, and the circuit length. The calculation assumes the whole load is located at a distance equal to the circuit length away from the electrical equipment.


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