HACH LANGE astroTOC UV Manuel D'utilisation De Base page 14

Figure 6 Connect power
1 Cover screw (4x)
2 Surge suppressor cover
3 Power cable
4 Conduit fitting
5 Strain relief fitting for cables and wiring
Connection
Hot (L)
Neutral (N)
Protective earth ground (G)
Connect the relays (optional)
Potential Electrocution Hazard. Power and relay terminals are designed for only single wire termination.
Do not use more than one wire in each terminal.
14 English
6 Protective earth ground (G)
7 Neutral (N)
8 Hot (L)
9 Surge suppressor
Table 1 AC wiring information
Color—North America
Black
White
Green
W A R N I N G
Color—EU
Brown
Blue
Green with yellow stripe