Can a meter be mounted on a distribution box

It is generally not appropriate to mount a meter inside a distribution box unless the enclosure is specifically designed and approved for both metering and distribution equipment.Key ConsiderationsPurpose of Meter Boxes vs Distribution Panels A meter box is designed to house the electricity meter and associated intake equipment, serving as the interface between the utility supply and the building's electrical system, while a distribution box (consumer unit) controls circuits within the property . Combining these functions in a single enclosure is typically restricted because it can compromise safety, accessibility, and compliance with utility regulations . Regulatory and Utility Requirements Utilities and Distribution Network Operators (DNOs) require that meter enclosures remain accessible for readings, maintenance, and future upgrades. Only equipment directly associated with the supply and metering—such as the meter, main isolating device, and communications hub—is permitted inside the meter box . Installing additional devices, like switches or consumer units, inside the meter enclosure can lead to rejection by the utility and may require removal at the customer's expense . Clearance and Safety Meter boxes must maintain sufficient clearance for safe operation. Front and side access must be unobstructed to allow technicians to work safely, even in adverse conditions . Overcrowding a meter enclosure with distribution equipment can violate these clearance requirements and create hazards. Practical Installation Advice If a property requires both a meter and a distribution board, the recommended approach is to install them in separate enclosures or in a combined enclosure specifically designed and approved for dual use. Some guidance allows mounting a meter on a fireproofed wooden or metal backboard if the wall is thin, but this must still comply with DNO access and safety standards . The maximum recommended length of meter tails from the meter to the consumer unit is typically 3 meters, so proximity is important . SummaryOnly meter-related equipment should be installed in a meter enclosure.Distribution boards or additional electrical equipment should be in separate, approved enclosures.Ensure proper clearance, accessibility, and compliance with local codes and utility requirements.Consult your utility provider or a licensed electrician before combining functions in a single enclosure to avoid safety risks and regulatory issues . Following these guidelines ensures safe, compliant, and maintainable electrical installations.