Licensed electricity distribution businesses, or Distribution Network Operators (DNOs) in Great Britain, are obliged under Condition 21 of their licences to maintain a Distribution Code detailing the technical parameters and considerations relating to connection to, and use of, their electrical networks.
Electricity North West www.enwl.co.uk
National Grid Electricity Distribution www.nationalgrid.com/electricity-distribution
Links to dcode.org.uk (7)
energynetworks.orgEnergy Networks Association (ENA) - The voice of the networks