Can transformers be taken on airplanes

Can. According to the query of the bright network shows that transformers, converter plugs can be transported. "On the reiteration of the ban on passengers carrying lighters matches by civil aviation aircraft notice" stipulates that: in order to maintain the order of civil aviation transportation, to protect the lives and property of passengers and aircraft safety, and other relevant provisions, is now on the passengers to carry lighters, matches to take the civil aviation aircraft should comply with the provisions of the regulations.