A METHOD FOR CUTTING OFF A POWER SUPPLY PRIOR TO OPEN A COVER AND AN APPARATUS THEREOF

摘要

A method for cutting off a power supply prior to open a cover and an apparatus thereof. The method includes following steps: fixing a bolt shade (2) on a bolt (5), activating a motion sensor (9) to make a safety protection monitor (10) connected, and sending out a command to permit an electrical equipment to transmit electricity; and taking off the bolt shade (2), activating the motion sensor (9) to disconnect a motion sensor rod (8), and sending out a command to cut off the power supply of the electrical equipment or give out an alarm. The apparatus for cutting off the power supply prior to open the cover includes an apparatus with a lock for cutting off the power supply prior to open the cover and an apparatus without a lock for cutting off the power supply prior to open the cover.