Terminal
Terminal connection
An identified electrical connection point linking schematic and wiring information.
Schematic
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Connections & wiring
Terminals, conductors, cable systems, connections and earthing references. Explore 77 references, with original explanations and public primary sources.
CT test
CT test terminal
A current-transformer terminal arrangement providing documented test and shorting facilities.
Schematic
PE
Protective earth
An identified connection serving the protective earthing function.
SLD / Schematic
Terminal strip
Terminal strip assembly
A physical assembly of identified terminals and the selected connecting accessories.
GA objects
TB FEED
Feed-through terminal block
A feed-through terminal provides an electrical connection between conductors assigned to the same terminal path.
Schematic
TB DISC
Disconnect terminal block
A disconnect terminal includes a documented separable path for circuit isolation or testing at the wiring level.
Schematic
TB KNIFE
Knife-disconnect terminal
A knife-disconnect terminal opens its circuit path using a documented pivoting knife element.
Schematic
TB FUSE
Fuse terminal block
A fuse terminal integrates a fuse-link into a terminal connection path.
Schematic
TB DIODE
Diode terminal block
A diode terminal includes a semiconductor diode in a documented terminal path.
Schematic
TB COMP
Component terminal block
A component terminal incorporates a documented electrical component or component plug in its wiring path.
Schematic
TB LEVEL
Multilevel terminal block
A multilevel terminal carries two or more documented connection levels within one terminal body.
Schematic
TB MULTI
Multi-conductor terminal block
A multi-conductor terminal provides several connection points for its documented electrical path.
Schematic
TB PE
Protective-earth terminal block
A PE terminal provides a documented protective-conductor connection, often including a specified connection to the mounting rail.
Schematic
TB SENSOR
Sensor terminal block
A sensor terminal organises supply, return and signal connections for a documented sensor wiring arrangement.
Schematic
TB ACT
Actuator terminal block
An actuator terminal organises supply, output and any protective-conductor connections for a documented actuator circuit.
Schematic
TB PLUG
Plug-in terminal block
A plug-in terminal allows a documented terminal circuit to be disconnected through a removable mating part.
Schematic
TB POWER
High-current terminal block
A high-current terminal provides a documented connection for large conductors and power circuits.
Schematic
TB BRIDGE
Terminal jumper bridge
A terminal bridge intentionally connects specified terminal points to a common potential.
Schematic
PLUG SOCKET
Plug and socket connector pair
A plug/socket pair represents a detachable electrical connection with two mating sides.
Schematic
PLUG
Connector plug half
A plug-half representation identifies one side of a detachable connector.
Schematic
SOCKET
Connector socket half
A socket-half representation identifies the mating interface for a detachable plug.
Schematic
SPLICE
Wire splice
A wire splice intentionally joins documented conductors without a detachable connector interface.
Schematic
EARTH
Earth connection
An earth connection identifies a documented circuit connection to earth.
SLD / Schematic
FE
Functional earth
Functional earth serves an operational purpose such as a documented EMC or signal-reference connection.
SLD / Schematic
BOND PE
Protective equipotential bonding
Protective equipotential bonding connects documented conductive parts as part of the protective arrangement.
SLD / Schematic
BOND FE
Functional equipotential bonding
Functional equipotential bonding connects documented points for an operational or signal-related purpose.
SLD / Schematic
SA
Surge arrester
A surge arrester diverts a documented surge-related current through its protective path.
SLD / Schematic
GDT
Gas-discharge protection tube
A gas-discharge tube provides a documented surge-protection path through gas breakdown.
SLD / Schematic
SPARK GAP
Spark-gap protective element
A spark-gap element provides a documented breakdown path across separated electrodes.
SLD / Schematic
GA
Terminal marshalling interface
A marshalling interface organises field circuits and controller connections.
GA objects
GA
Feed-through terminal block
A feed-through terminal provides a defined wiring connection across a terminal position.
GA objects
GA
Protective-earth terminal block
A protective-earth terminal provides the specified connection between conductors and the earthing arrangement.
GA objects
GA
Multi-level terminal block
A multi-level terminal groups distinct connections at several levels within one rail position.
GA objects
GA
Fuse terminal block
A fuse terminal combines a terminal position with a selected fuse arrangement.
GA objects
GA
Disconnect terminal block
A disconnect terminal provides a defined separable point in a wiring circuit.
GA objects
GA
CT shorting test terminal
A CT test terminal supports the specified measuring and test connection arrangement.
GA objects
GA
Distribution terminal block
A distribution block divides a supplied circuit among specified outgoing connections.
GA objects
GA
Pluggable terminal connector
A pluggable terminal arrangement separates a wiring connector from its mating interface.
GA objects
GA
Terminal end stop
An end stop retains a specified terminal assembly on its mounting rail.
GA objects
GA
Terminal marker strip
A marker strip carries identification for the terminal arrangement.
GA objects
GA
Cable gland
A cable gland secures and, where specified, seals a cable at an enclosure entry.
GA objects
GA
Cable-entry frame
A cable-entry frame organises one or more cables through a documented enclosure opening.
GA objects
GA
Bulkhead connector
A bulkhead connector provides a separable electrical or communication interface at a panel surface.
GA objects
GA
Earth bar
An earth bar provides a designated earthing connection point for multiple conductors.
GA objects
GA
Neutral bar
A neutral bar groups specified neutral connections within an assembly.
GA objects
ZIPLinks
AutomationDirect ZIPLinks
AutomationDirect ZIPLinks is a terminal marshalling interface product family referenced for electrical equipment layout.
GA objects
DINnectors
AutomationDirect DINnectors
AutomationDirect DINnectors is a feed-through terminal block product family referenced for electrical equipment layout.
GA objects
Konnect-It DIN-rail terminals
AutomationDirect Konnect-It DIN-rail terminals
AutomationDirect Konnect-It DIN-rail terminals is a feed-through terminal block product family referenced for electrical equipment layout.
GA objects
Bimed cable glands
AutomationDirect Bimed cable glands
AutomationDirect Bimed cable glands is a cable gland product family referenced for electrical equipment layout.
GA objects
ZIPport Multi-Wire Connectors
AutomationDirect ZIPport Multi-Wire Connectors
AutomationDirect ZIPport Multi-Wire Connectors is a bulkhead connector product family referenced for electrical equipment layout.
GA objects
ZIPport Panel Interface Connectors
AutomationDirect ZIPport Panel Interface Connectors
AutomationDirect ZIPport Panel Interface Connectors is a bulkhead connector product family referenced for electrical equipment layout.
GA objects
Edison Power Distribution Blocks
AutomationDirect Edison Power Distribution Blocks
AutomationDirect Edison Power Distribution Blocks is a distribution terminal block product family referenced for electrical equipment layout.
GA objects
CABLE JOINT
Power cable joint
An assembly joining power-cable sections while maintaining the required conductor, insulation, screen and environmental interfaces.
GA objects
Terminal
ANSI/IEEE terminal connection symbol
IEEE-oriented graphical reference for terminal connection, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
TERM 1
ANSI/IEEE numbered terminal symbol
IEEE-oriented numbered connection-point form, with public vendor evidence and terminal-reading notes.
IEEE / ANSI
PLUG SOCKET
ANSI/IEEE plug and socket connector pair symbol
IEEE-oriented graphical reference for plug and socket connector pair, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
PLUG
ANSI/IEEE connector plug half symbol
IEEE-oriented graphical reference for connector plug half, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
SOCKET
ANSI/IEEE connector socket half symbol
IEEE-oriented graphical reference for connector socket half, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
SPLICE
ANSI/IEEE wire splice symbol
IEEE-oriented graphical reference for wire splice, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
PE
ANSI/IEEE protective earth symbol
IEEE-oriented graphical reference for protective earth, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
FE
ANSI/IEEE functional earth symbol
IEEE-oriented graphical reference for functional earth, with public vendor evidence and drawing-reading notes.
IEEE / ANSI
HW01
Cable identification marker
A cable marker identifies a cable association within a schematic conductor group.
IEC
HW02
Additional cable-core marker
An additional-core marker associates another conductor with an existing cable record.
IEC
HT0_TW
Twisted-pair indication
A twisted-pair indication identifies the documented association of two conductors as a twisted pair.
IEC
HDV1T6
Generic device boundary
A generic device boundary groups the terminals belonging to one documented component or function.
Schematic
HA2S1_REF
Standalone source cross-reference
A source cross-reference identifies the originating side of a diagram continuation relationship.
Schematic
HA2D1_REF
Standalone destination cross-reference
A destination cross-reference identifies the receiving side of a diagram continuation relationship.
Schematic
HA1X1
Reference-only wire arrow
A reference-only arrow directs the reader to an associated wire continuation or annotation.
Schematic
HC01PJ_1-
One-line connector representation
A one-line connector representation identifies a connector interface in a simplified circuit view.
IEC
HT0001_1-
One-line terminal representation
A one-line terminal identifies a termination point in a simplified circuit view.
IEC
HW01_1-
One-line cable identification
A one-line cable marker identifies the cable represented by a simplified connection line.
IEC
HC01PJ
Connector retaining wire identity
This form identifies a separable connector whose publisher representation preserves wire-number identity across the interface.
IEC
HCN1PJ
Connector changing wire identity
This form identifies a connector representation that allows wire-number identities to change across the interface.
IEC
HT0W02
Terminal carrying wire identification
This terminal representation carries the associated wire identifier at the connection point.
IEC
HT1002
Terminal with wire-number transition
This representation identifies a terminal across which the publisher permits a wire-number change.
IEC
JUNCTION
Conductor connection junction
A junction indication marks a documented electrical connection between conductor branches.
Schematic
CROSSING
Unconnected conductor crossing
An unconnected crossing shows conductors passing across each other in the drawing without an electrical junction.
Schematic