Knife Disconnect Blocks

Tim Ganz

Member
Join Date
Dec 2010
Location
Dallas, Texas
Posts
689
I am using AB 1492-JKD3 Isolation terminal blocks / Knife Disconnect blocks.

On my drawings should the wire chnage wehn crossing this terminal? I know normally on terminasl the wire does not chnage because the terminal does not or can not change the electrical circuit but the Knife disconnect block can.

It's more like a small switch. Using AutoCAD Electrical and not sure what symbol to use to represent it? Standard terminal symbol or single pole disconnect switch?

What do you think?
 
In short YES.

The wire is being disconnected from another wire & thus is a different wire, the same as if going through a relay or selector switch.

As for the AutoCAD I would use a single pole disconnect.
 

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