Circuit Breakers, Breaker Boxes & Fuses - Lowe's Keep Your Electrical System Current. The key to protecting a structure from an electrical fire? The right electrical equipment. Lowe’s carries a variety of quality electrical products, including circuit breaker switches, load centers, meter sockets and more. Whether you’re in need of replacement parts for a 100-amp breaker box or you need a new 200-amp breaker box, you’ll find what youMain Lug · Standard Circuit Breakers · Afci/Gfci Circuit Breakers · Breaker Switches · Square D Buzz Electrical Fuse Box vs Circuit Breaker: What Is the Dec 20, 2018Fuse Box vs Circuit Breaker. While more modern homes have circuit breakers, don’t worry if yours still has an old school fuse box instead. Fuse boxes still protect your home from circuit overloads and electrical fires. The biggest differences between fuse boxes and circuit breakers are the method and materials they use to do this important job.