kanjus-

-there  was  a  miser,  a  new  electricity  meter  was  fixed  in his  house, the  meter  reader  a  month later was  surprised  to  see  only  one  unit   was  used, he  asked  the  owner  if  he  did  not  use  the  electricity  at  all, the  miser  answered  he  used  power   only  when he  needed  to  find  the  lantern