A light string, comprising {HEAD ~ a plurality} of incandescent filament lamps, {TAIL ~ the incandescent filament lamps} being electrically connected in series and powered by an AC power supply 
A light string , comprising { HEAD ~ a plurality } of incandescent filament lamps , { TAIL ~ the incandescent filament lamps } being electrically connected in series and powered by an AC power supply
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH