The high voltage mains supply must be wired by a certified electrician in compliance with local electrical regulations.
The following table is intended as a reminder. Always check your local guidelines.
| Wire | US colour codes | UK color codes | IEC color codes (most of Europe) |
|---|---|---|---|
| Live / phase | Black or red | Brown or red | Brown or black |
| Neutral | White or grey | Blue or black | Blue |
| Earth / ground | Green or green/yellow | Green/yellow | Green/yellow |