Neutrals

Design Master Electrical RT includes neutrals in feeders and branch circuits based upon settings in Revit.

Distribution Equipment

A neutral is included on the feeder to a piece of distribution equipment based upon the Wires value of the Distribution System chosen for the equipment.

Single pole connections will always have a neutral.

Two pole and three pole connections choose their neutral based upon the Distribution System settings. Set the Phase to Three. To include a neutral, set Wires to 4. To not include a neutral, set Wires to 3.

You can modify the Distribution System settings by using the Manage->MEP Settings->Electrical Settings command. Select Distribution Settings from the tree on the left.

Branch Circuits

Revit includes a neutral on branch circuits if the load is unbalanced or the wiring type requires a neutral.

Edit the family to set the System Type on the connector to Power - Balanced or Power - Unbalanced.

To set the neutral requirement, use the Manage->MEP Settings->Electrical Settings command. Select Wiring->Wiring Types from the tree on the left. Check or uncheck the Neutral Required box as appropriate.

To change the Wire Type of a circuit, select an instance connected to the circuit. Select the Electrical Circuits tab on the ribbon. In the Properties window, you can change the Wire Type value.


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