A na-ekpuchi waya enamelled na otu mkpuchi mkpuchi ma ọ bụ karịa n'elu onye na-eduzi, nke a na-esi na ya dị jụụ iji mepụta ụdị waya nwere oyi akwa mkpuchi.Waya enamelled bụ ụdị waya eletriki (winding wire), nke a na-eji maka ntinye ọkụ eletrik.E jiri ya tụnyere waya okirikiri, waya akụkụ anọ nwere uru na njirimara enweghị atụ, a na-ejikwa ya n'ọtụtụ ebe.Ngwaahịa ahụ nwere nguzogide okpomọkụ dị elu, ihe mgbaze kemịkalụ na nguzogide ujo.