Distance Requirements: Maintain a minimum clearance of 1. 0 meter from all accessible faces of a switchboard. Electrical panel boxes, aka breaker boxes, can be on a wall in an out-of-the-way area of your home. Covers wiring, placement, standards, and expert tips for a compliant setup. The IEC (International Electrotechnical Commission) and BS 7671 (British Standard for Electrical Installations) both provide essential requirements for electrical installations, including those for fuse boards like garage unit, consumer unit and distribution board. Because this equipment contains the main service disconnect and circuit protection devices, clearance rules are mandated by the National Electrical Code. to install, or they will be brought along on the day.