Neon signs play an important role for your business. A quality power source is critical to preserving the life of your neon sign. All neon signs must have a neon sign transformer. Neon sign transformers convert main voltage into usable power for your neon sign. A neon sign transformer is a critical element to maintaining your neon sign. Neon Direct neon transformers are designed to safely fit and power most neon signs. We always have our 10,000 volt transformers and our 6,000 volt transformers in stock.