All of the plates added via ContentTweaker, Thermal Expansion constantan and mithril plates, Advanced Rocketry titanium aluminide and titanium iridium plates and the ExtendedCrafting black iron plate use circuit 0 (which cannot be selected in the phantom circuit slot of machines), unlike all of the GT plates which use circuit 1.
All of the plates added via ContentTweaker, Thermal Expansion constantan and mithril plates, Advanced Rocketry titanium aluminide and titanium iridium plates and the ExtendedCrafting black iron plate use circuit 0 (which cannot be selected in the phantom circuit slot of machines), unlike all of the GT plates which use circuit 1.