The table shows that in most countries the mains supply is between 220 and 240 volts (50 or 60 Hz); countries that operate on 100-127 volts are greatly outnumbered.
Tebụl na-egosi na n'ọtụtụ mba, nnwere onwe ya bụ ihe dị ka 220 na 240 volts (50 ma ọ bụ 60 Hz); mba ndị na-arụ ọrụ na 100-127 volts karịrị akarị.