Circuit Breakers, Breaker Boxes & Fuses - Lowe's Home 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 An electrical fuse box problem. - Mobile Home Repair Jul 09, 2009This is on the main fuse. I have a number of these fuses, including some which are brand new. Only 1 old fuse will actually work. If I have this particular old fuse on the left side I will have power to my living room and kitchen, even with an exact brand new fuse in the other side.