![Wincor Nixdorf BEETLE S-II User Manual Download Page 7](http://html1.mh-extra.com/html/wincor-nixdorf/beetle-s-ii/beetle-s-ii_user-manual_985035007.webp)
Therefore, you should connect your BEETLE or other IT-devices only to
power supply systems with separately guided protective earth conductor
(PE). This kind of electricity system is known as TN-S network. Do not use
PEN conductors!
Please also observe the recommendations of the norm DIN VDE 0100, Part
540, Appendix C2 as well as EN50174-2, §5.4.3.Thus you can help to avoid
possible malfunctions.
3
IMPORTANT NOTES