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By Miles Nicholson

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IEC60617 defines the symbology required for drawing electrical schematics, but sometimes the standard does not go far enough. An example would be a terminal with electronic components bridging connections or even connected across levels. How should these be drawn in a schematic? This is our interpretation.pic2.gif

The above shows from left to right: solid link, fuse, resistor, diode, diode180, LED, LED180, test link terminals. 

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The above shows from top to bottom: LED, LED180, fuse, resistor, diode, diode180, test socket, varistor cross connections.

When used in combination, the 2nd terminal is defined as the 2nd deck of the first terminal.pic4.pngIf you would like a copy of these symbols for AutoCAD® Electrical and you are a Cadline customer, then please contact customer.services@cadline.co.uk 

Image courtesy of Weidmuller