Tesla Coil is the perimeter-defense block of Industrial Craft 2 — fed with MV power (up to 128 EU per tick) and triggered by a redstone signal, an electric arc leaps roughly every two seconds to every creature inside a 9×9×9 cube, passing straight through walls, floors, and ceilings. Five Redstone Dust, two Iron, one MV-Transformer, and one Electronic Circuit assemble one Tesla Coil on a crafting table, and the internal buffer holds 5,000 EU between shots. Damage scales with the feeding storage: zombies, skeletons, creepers, and spiders fall in two hits on MFE power or seven hits on a BatBox, Endermen take twice as many strikes, and an unarmored player dies to a single MFE-fed arc.

An MFE-fed Tesla Coil never spares villagers or the player, so the safest mounting spots sit inside walls or under floors along a guarded corridor, never in an open walkway. Tesla Coil drains its buffer whenever the redstone signal stays active — even with nothing in range — so wire the trigger through a stone pressure plate combined with a lever: only a creature standing on the plate then completes the firing circuit while the lever stays armed. Damage from several Tesla Coils stacks, so two coils spaced along one wall stop Endermen-class mobs far faster than a single unit. Keep the supply at MV level, because anything above 128 EU per tick makes Tesla Coil explode.