tōng​diàn

circular telegram

通电 (通電) tōng​diàn
circular telegram verb
an open telegram or public announcement sent by wire

He sent out a circular telegram to the whole country announcing his resignation.

electrify verb
to set up an electric circuit, switch on, or be connected to an electricity grid

The remote mountain area finally has electricity.

Frequency

Movie subtitles
1.10 per million appears in 1% of films
Written text
2.52 per million

Sources

Definitions
CC-CEDICT