The invention relates to a metal halide lamp having a nominal power of more than 100 W, comprising {HEAD ~ a discharge vessel} with {TAIL ~ a ceramic wall} 
with
The invention relates to a metal halide lamp having a nominal power of more than 100 W , comprising { HEAD ~ a discharge vessel } with { TAIL ~ a ceramic wall }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL