Symbols of Junction Boxes and Electrical Conduits

Accessible box, metal or plastic boxes where splices or connections leads to the distribution of electrical wiring and protection of electrical and electronic devices and circuits are located. Electric conduits: closed conduits containing electrical wiring.

Symbology of Junction Boxes and Electrical Conduits

Symbol Description Symbol Description
Junction Box / Pattress Box symbol Junction Box / Pattress Box / Derivation
Generic symbol
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  Junction Box / Derivation symbol Junction Box / Pattress Box / Derivation
Junction Box / Pattress Box symbol Junction Box / Pattress Box / Derivation
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  Junction Box / Derivation symbol Junction Box / Pattress Box / Derivation
Junction box symbol, 3 wires Junction box
e.g. three-wire shunt
representation multifilar
  Junction box symbol, 3 wires Junction box
e.g. three conductors
representation multifilar
Junction box symbol, 3 wires Junction box
e.g. three-wire shunt
unifilar representation
  Junction box symbol, 3 wires Junction box
e.g. three-wire shunt
unifilar representation
Containment voltage cable light symbol Containment voltage cable light
e.g. three wires
  Sealed cable ends symbol Cable ends sealed
e.g. pole cable
Cable ends sealed symbol Cable ends sealed
e.g. three unipolar wires
  Distribution board / Distribution center symbol Distribution center / Distribution board
e.g. Representation with five wired
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Electrical enclosure / outside cabin symbol Electrical enclosure / outside cabin
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  Distribution center symbol Distribution center / Electric panel
e.g. Representation with five wired
Electrical enclosure / outside cabin, amplification Electrical enclosure / Outside cabin
e.g. Amplification
  Fuse Box / General protection case symbol General protection box / Fuse box
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Consumer unit / Inlet box symbol Inlet box
Consumer terminal / Consumer unit
e.g. Single representation wired
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  Electrical box, register symbol Electrical box, register
multifilar representation
Box step symbol Box step   Electrical box, register symbol Electrical box, register
Connections box symbol Connections box / Pattress
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Symbols of Electrical Conduits

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Electrical Conduit / Channeling from lower level symbol Electrical Conduit
Channeling from lower level
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  Electrical Conduit / Channeling from supeior level symbol Electrical Conduit
Channeling from supeior level
Electrical Conduits / Channeling to lower level symbol Channeling to lower level   Channeling to higher level symbol Channeling to higher level
Channeling to lower level symbol Channeling to lower level   Channeling to higher level symbol Channeling to higher level
Channeling crossing vertically symbol Channeling crossing vertically   Channeling tray grid / Cable tray symbol Channeling tray grid / Cable tray
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Wired input Wired input      
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