#### 7.2.3.1 IfcElectricAppliance

| Appareil électrique
| Elektrisches Gerät

An electric appliance is a device intended for consumer usage that is powered by electricity.

Electric appliances may be fixed in place or may be able to be moved from one space to another. Electric appliances require an electrical supply that may be supplied either by an electrical circuit or provided from a local battery source.

> HISTORY New entity in IFC4

## Plumbing System Design

Instance diagram

Identity

The Identity concept applies to this entity.

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Import |  |  |  |  |  |  |  |  | - |  |  |  |
Export |  |  |  | R | R | R | R | R | - |  | R | R | R

Object Typing

The Object Typing concept applies to this entity as shown in Table 63.

Type
IfcElectricApplianceType
Table 63 — IfcElectricAppliance Object Typing

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Import |  |  |  |  |  |  |  |  |  |  |  |  |
Export |  |  |  |  |  |  |  |  |  |  | R |  | R

Properties for Occurrences

The Properties for Occurrences concept applies to this entity as shown in Table 64.

PredefinedType | Name
--- | ---
| Pset_ElectricAppliancePHistory
| Pset_ElectricApplianceTypeCommon
DISHWASHER | Pset_ElectricApplianceTypeDishwasher
Table 64 — IfcElectricAppliance Properties for Occurrences

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Import |  |  |  |  | R | - |  |  | - |  |  |  |
Export |  |  |  | O | R | - | R | R | - |  | R | R | R

Ports

The Ports concept applies to this entity as shown in Table 65.

PredefinedType | Name | Flow | Type | Description
--- | --- | --- | --- | ---
DISHWASHER | HotWater | SINK | DOMESTICHOTWATER | Hot water used for washing dishes.
DISHWASHER | Drainage | SOURCE | DRAINAGE | Drainage from used water.
FRIDGE_FREEZER | ColdWater | SINK | DOMESTICCOLDWATER | Cold water used for icemaking and/or drinking water.
WASHINGMACHINE | ColdWater | SINK | DOMESTICCOLDWATER | Cold water used for washing.
WASHINGMACHINE | HotWater | SINK | DOMESTICHOTWATER | Hot water used for washing.
WASHINGMACHINE | Drainage | SOURCE | DRAINAGE | Drainage from used water.
Table 65 — IfcElectricAppliance Ports

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Import |  |  |  |  |  |  |  |  | - |  |  |  |
Export |  |  |  | R | R | R | R | R | - |  | R | R | R

Body Geometry

The Body Geometry concept applies to this entity as shown in Table 66.

RepresentationType | Geometry
--- | ---
MappedRepresentation | IfcMappedItem
Table 66 — IfcElectricAppliance Body Geometry

Exchange |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Import |  |  |  |  |  |  |  |  |  |  |  |  |
Export |  |  |  |  |  |  |  | R |  |  | R | R | R

XSD Specification:

<xs:element name="IfcElectricAppliance" type="ifc:IfcElectricAppliance" substitutionGroup="ifc:IfcFlowTerminal" nillable="true"/>
<xs:complexType name="IfcElectricAppliance">
<xs:complexContent>
<xs:extension base="ifc:IfcFlowTerminal"/>
</xs:complexContent>
</xs:complexType>

EXPRESS Specification:

ENTITY IfcElectricAppliance

| SUBTYPE OF (IfcFlowTerminal);

PredefinedType | : | OPTIONAL IfcStrippedOptional;

| WHERE

CorrectPredefinedType | : | NOT(EXISTS(PredefinedType)) OR (PredefinedType <> IfcElectricApplianceTypeEnum.USERDEFINED) OR ((PredefinedType = IfcElectricApplianceTypeEnum.USERDEFINED) AND EXISTS (SELF\IfcObject.ObjectType));
CorrectTypeAssigned | : | (SIZEOF(IsTypedBy) = 0) OR ('IFCELECTRICALDOMAIN.IFCELECTRICAPPLIANCETYPE' IN TYPEOF(SELF\IfcObject.IsTypedBy[1].RelatingType));

END_ENTITY;

Formal Propositions:

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

Inheritance Graph:

ENTITY IfcElectricAppliance

| ENTITY IfcRoot

GlobalId | : | IfcGloballyUniqueId;
OwnerHistory | : | OPTIONAL IfcOwnerHistory;
Name | : | OPTIONAL IfcLabel;
Description | : | OPTIONAL IfcText;

| ENTITY IfcObjectDefinition

| INVERSE

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 IfcStrippedOptional;

| INVERSE

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;

| INVERSE

ReferencedBy | : | SET OF IfcRelAssignsToProduct FOR RelatingProduct;

| ENTITY IfcElement

Tag | : | OPTIONAL IfcStrippedOptional;

| INVERSE

ConnectedTo | : | SET OF IfcRelConnectsElements FOR RelatingElement;
IsInterferedByElements | : | SET OF IfcRelInterferesElements FOR RelatedElement;
InterferesElements | : | SET OF IfcRelInterferesElements FOR RelatingElement;
HasOpenings | : | SET OF IfcRelVoidsElement FOR RelatingBuildingElement;
ProvidesBoundaries | : | SET OF IfcRelSpaceBoundary FOR RelatedBuildingElement;
ConnectedFrom | : | SET OF IfcRelConnectsElements FOR RelatedElement;
ContainedInStructure | : | SET [0:1] OF IfcRelContainedInSpatialStructure FOR RelatedElements;

| ENTITY IfcDistributionElement

| INVERSE

HasPorts | : | SET OF IfcRelConnectsPortToElement FOR RelatedElement;

| ENTITY IfcDistributionFlowElement

| INVERSE

| ENTITY IfcFlowTerminal

| ENTITY IfcElectricAppliance

PredefinedType | : | OPTIONAL IfcStrippedOptional;

END_ENTITY;

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