MEPSystemClassification Enumeration

This enumeration is used to classify MEP connectors and systems and drives certain behavior for a particular system type

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public enum MEPSystemClassification
Members
Member nameValueDescription
UndefinedSystemClassification0 A system classification not yet defined
SupplyAir1 A supply air duct system
ReturnAir2 A return air duct system
ExhaustAir3 Obsolete classification not used anymore
OtherAir4 An user classified air duct system
DataCircuit5 An electrical data circuit
PowerCircuit6 An electrical circuit
SupplyHydronic7 A hydronic supply piping system
ReturnHydronic8 A hydronic return piping system
Telephone9 An electrical circuit classified as telephone
Security10 An electrical security circuit
FireAlarm11 An electrical fire alarm circuit
NurseCall12 An electrical circuit classified as nurse call
Controls13 An electrical circuit classified as controls
Communication14 An electrical circuit classified as communication
CondensateDrain15 Reserved for future use
Sanitary16 A sanitary piping system
Vent17 A piping ventilation system
Storm18 Reserved for future use
DomesticHotWater19 A hot water piping system
DomesticColdWater20 A cold water piping system
Recirculation21 Reserved for future use
OtherPipe22 An user classified piping system
FireProtectWet23 A wet fire protection system
FireProtectDry24 A dry fire protection system
FireProtectPreaction25 A preaction fire protection system
FireProtectOther26 A user defined fire protection system
SwitchTopology27 An electrical switch system
Fitting28 Reserved for application usage, used for UI filtering in Family Editor
Global29 Reserved for application usage, used for UI filtering in Family Editor
PowerBalanced30 Equivalent with PowerCircuit
PowerUnBalanced31 Equivalent with PowerCircuit
CableTrayConduit32 Indicates the default type for cable trays and conduits
See Also