The Universal Breaker Lock Single Key with Padlock (UBL3) from Southwire is an essential safety device for electrical systems. This lock is designed to secure circuit breakers, preventing unauthorized access and ensuring compliance with safety regulations. Made from durable materials, the UBL3 offers reliable performance in various environments. Its compact design allows for easy storage and transport, making it a convenient addition to any electrician's toolkit. This product is compatible with most standard breaker panels and meets industry standards for safety and security, providing peace of mind for both professionals and homeowners.