Everything You Need to Know About Upgrading a Fuse Box May 31, 2016If you have the old porcelain fuse boxes with fuse wire in your Brisbane home, then you definitely need to upgrade your fuse box to one with circuit breakers that protect both people and your property. How long does it take to replace a fuse box? Fuse boxes, like most things to do with old houses, vary from house to house. 2019 Cost to Replace or Upgrade an Electrical Panel | Fuse HomeAdvisor's Electrical Panel Cost guide offers average prices to upgrade, move, install, or replace a fuse box or circuit breaker box and its wiring. See prices for new 100 or 200 amp main service or sub panels, Federal Pacific, Zinsco & more.