Certificate No. 3: Covers alterations (including additions and extensions) to existing installations. Certificate No. 3 cannot be used to obtain a connection or a re-connection of the electrical supply from the DSO.

The National Rules for Electrical Installations are essential for electricians, inspectors and regulators as they specify the safety requirements for electrical installations in all types of premises in Ireland. The revisions bring requirements in line with recent technical developments and best practice in Europe, including new technologies such as electric cars, adaptation for IT connections , and guidance on energy efficiencies.




Etci National Rules For Electrical Installations Inc