Grass Valley XtenDD DD - Manual (Page 65)

5. Connection and Startup
5 - 3 Planning and Installation - Rev. 3 / 04.2005
Any break of the protective earth conductor inside or outside the device or
disconnection of the protective conductor connector may entail that, in the
event of a failure, the operational safety of the device will no longer be en-
sured! All mains sockets of the devices being interconnected with signal
cables have to be checked. The protective earth conductors must not be live!
Abbreviations:
(In conformity with DIN 42 400 or IEC Publication 445)
FPE = functional protective earth
L = live, outer conductor (phase, R, S, T)
N = neutral conductor
PE = protective earth conductor
(earlier designation: PROTECT GND)
color code of the PE wire: green/yellow
TE = technical earth = functional noiseless earth
(video earth, audio earth with protective earth qualities
color code of the TE wire: black
IEC = International Electrotechnical Commission
VDE = Association of German electrotechnicians and electrical engineers
DIN = German industrial standards