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A cable fitting is a fitting that is placed at a junction, transition or termination in a cable system.

HISTORY  New entity in IFC4

Common Use Definitions

The following concepts are inherited at supertypes:

 Instance diagram

Object Typing

The Object Typing concept applies to this entity as shown in Table 330.

Table 330 — IfcCableFitting Object Typing

Property Sets for Objects

The Property Sets for Objects concept applies to this entity as shown in Table 331.

Table 331 — IfcCableFitting Property Sets for Objects

Quantity Sets

The Quantity Sets concept applies to this entity as shown in Table 332.

Table 332 — IfcCableFitting Quantity Sets

Material Layer Set Usage

The Material Layer Set Usage concept applies to this entity as shown in Table 333.
CasingMaterial from which the casing is constructed.
ConductorMaterial from which the conductors are constructed, such as Aluminium or Copper.

Table 333 — IfcCableFitting Material Layer Set Usage


The Connectivity concept applies to this entity as shown in Table 334.

Port Nesting

The Port Nesting concept applies to this entity as shown in Table 335.
CONNECTORInputSINKNOTDEFINEDThe input of the connector.
CONNECTOROutputSOURCENOTDEFINEDThe output of the connector.
ENTRYOutputSOURCENOTDEFINEDThe output of the connector.
EXITInputSINKNOTDEFINEDThe input of the connector.
JUNCTIONInputSINKNOTDEFINEDThe input of the connector.
JUNCTIONOutput#1SOURCENOTDEFINEDAn output of the connector.
JUNCTIONOutput#2SOURCENOTDEFINEDAn output of the connector.

Table 335 — IfcCableFitting Port Nesting

XSD Specification:

 <xs:element name="IfcCableFitting" type="ifc:IfcCableFitting" substitutionGroup="ifc:IfcFlowFitting" nillable="true"/>
 <xs:complexType name="IfcCableFitting">
   <xs:extension base="ifc:IfcFlowFitting">
    <xs:attribute name="PredefinedType" type="ifc:IfcCableFittingTypeEnum" use="optional"/>

EXPRESS Specification:

ENTITY IfcCableFitting
SUBTYPE OF IfcFlowFitting;
PredefinedType : OPTIONAL IfcCableFittingTypeEnum;
CorrectPredefinedType : NOT(EXISTS(PredefinedType)) OR (PredefinedType <> IfcCableFittingTypeEnum.USERDEFINED) OR ((PredefinedType = IfcCableFittingTypeEnum.USERDEFINED) AND EXISTS (SELF\IfcObject.ObjectType));
CorrectTypeAssigned : (SIZEOF(IsTypedBy) = 0) OR ('IFCELECTRICALDOMAIN.IFCCABLEFITTINGTYPE' IN TYPEOF(SELF\IfcObject.IsTypedBy[1].RelatingType));

Link to EXPRESS-G diagram EXPRESS-G diagram

Attribute Definitions:

PredefinedType :

Identifies the predefined types of cable fitting from which the type required may be set.

Formal Propositions:

CorrectPredefinedType : Either the PredefinedType attribute is unset (e.g. because an IfcCableFittingType is associated), or the inherited attribute ObjectType shall be provided, if the PredefinedType is set to USERDEFINED.
CorrectTypeAssigned : Either there is no cable fitting type object associated, i.e. the IsTypedBy inverse relationship is not provided, or the associated type object has to be of type IfcCableFittingType.

Inheritance Graph:

ENTITY IfcCableFitting
GlobalId : IfcGloballyUniqueId;
OwnerHistory : OPTIONAL IfcOwnerHistory;
Name : OPTIONAL IfcLabel;
Description : OPTIONAL IfcText;
ENTITY IfcObjectDefinition
HasAssignments : SET OF IfcRelAssigns FOR RelatedObjects;
Nests : SET [0:1] OF IfcRelNests FOR RelatedObjects;
IsNestedBy : SET OF IfcRelNests FOR RelatingObject;
HasContext : SET [0:1] OF IfcRelDeclares FOR RelatedDefinitions;
IsDecomposedBy : SET OF IfcRelAggregates FOR RelatingObject;
Decomposes : SET [0:1] OF IfcRelAggregates FOR RelatedObjects;
HasAssociations : SET OF IfcRelAssociates FOR RelatedObjects;
ENTITY IfcObject
ObjectType : OPTIONAL IfcLabel;
IsDeclaredBy : SET [0:1] OF IfcRelDefinesByObject FOR RelatedObjects;
Declares : SET OF IfcRelDefinesByObject FOR RelatingObject;
IsTypedBy : SET [0:1] OF IfcRelDefinesByType FOR RelatedObjects;
IsDefinedBy : SET OF IfcRelDefinesByProperties FOR RelatedObjects;
ENTITY IfcProduct
ObjectPlacement : OPTIONAL IfcObjectPlacement;
Representation : OPTIONAL IfcProductRepresentation;
ReferencedBy : SET OF IfcRelAssignsToProduct FOR RelatingProduct;
ENTITY IfcElement
Tag : OPTIONAL IfcIdentifier;
FillsVoids : SET [0:1] OF IfcRelFillsElement FOR RelatedBuildingElement;
ConnectedTo : SET OF IfcRelConnectsElements FOR RelatingElement;
IsInterferedByElements : SET OF IfcRelInterferesElements FOR RelatedElement;
InterferesElements : SET OF IfcRelInterferesElements FOR RelatingElement;
HasProjections : SET OF IfcRelProjectsElement FOR RelatingElement;
ReferencedInStructures : SET OF IfcRelReferencedInSpatialStructure FOR RelatedElements;
HasOpenings : SET OF IfcRelVoidsElement FOR RelatingBuildingElement;
IsConnectionRealization : SET OF IfcRelConnectsWithRealizingElements FOR RealizingElements;
ProvidesBoundaries : SET OF IfcRelSpaceBoundary FOR RelatedBuildingElement;
ConnectedFrom : SET OF IfcRelConnectsElements FOR RelatedElement;
ContainedInStructure : SET [0:1] OF IfcRelContainedInSpatialStructure FOR RelatedElements;
ENTITY IfcDistributionElement
HasPorts : SET OF IfcRelConnectsPortToElement FOR RelatedElement;
ENTITY IfcDistributionFlowElement
HasControlElements : SET [0:1] OF IfcRelFlowControlElements FOR RelatingFlowElement;
ENTITY IfcFlowFitting
ENTITY IfcCableFitting
PredefinedType : OPTIONAL IfcCableFittingTypeEnum;

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