Break the contact by switching off the current or meter if it can be quickly reached, if not remove the plug or wrench the cable free.

如果电源能很快的够到，则关掉电源，防止再接触，如果不能的话，就移开插头，或者扭掉电线。

youdao

What could possibly necessitate me to break off to make contact with the office?

BBC: Enniskillen bombing: a reporter's memories of 1987 attack

And to further compound Wakefield's misery Sheriffe then finished off Rob Purdham's break with the Quins displaying fine handling in contact.

BBC: Wakefield 24-20 Harlequins RL