Laws, courts and authorities
NAV
Abbreviation for Niederspannungsanschlussverordnung
In short and in plain language
The NAV is a German rule on how houses connect to the power grid.
It also says who may do certain electrical work in the house.
This must be a firm that is on a list of the grid operator.
Definition
The NAV is the German Low Voltage Connection Ordinance. It governs how buildings are connected to and use the low-voltage power grid. Among other things, it provides that certain electrical work is carried out only by listed firms. These firms are entered in a grid operator's installer register.