Photovoltaic system connected directly to grid meter (fig. 3)
Grid
Solar PV
Main
Generation
meter
meter
L
N
N
L
EN
Grid CT (yellow label)
Production CT
Green dot and direction
(white label)
of arrow K L
toward thermal-magnetic
and differential switch
Main thermal-magnetic
and differential switch
L
N
13 14 15 16 17 18 19 20 21 22 23 24
ID CODE:YYYYY
Consumer
123456789XXXXX
ID Code
label
N
L
3
4
5
6
7
8
9
10
11
12
X X X X
17