Inspection and testing, rewires, fuseboard upgrades. Based in Sheffield. mjb electrical services, foxhill, sheffield, uk, electrician sheffield, electrician yorkshire, electrical, rewires, showers, double sockets, 3 phase, advice, inspection, testing, lighting, cookers, heating, fuseboards, fault finding, new build, extension, conservatories, kitchens, bathrooms, spot lights, alarms, under tile heating, bonding, commercial, industrial, domestic, conduit, trunking