When building items from blueprint signal cable is not decreasing in inventory (you can build cable-connected items even you have no signal cable at all):
. . .
[0.14.17] Cable not counted when building from blueprint
Re: [0.14.17] Cable not counted when building from blueprint
Not a bug, see viewtopic.php?f=23&t=29014
Rseding91 wrote:That's by design. We didn't feel it was worth it to implement a ton of logic just for wires.