PowerCables & TransformersVersion: 1.20.1On this page Cables & Transformers Cables move energy between blocks; transformers convert between voltage tiers. Mismatched voltages will destroy machines, so transformers are essential when crossing tier boundaries. Cables Tin Cable Copper Cable Gold Cable HV Cable Glass Fiber Cable Superconductor Cable Transformers LV Transformer MV Transformer HV Transformer EV Transformer