The utility model discloses a live working parallel groove clamp installs and removes ware, including the insulating body of rod, fixing clamp, mount and the movable clamp plate that lives, be provided with first support and second support on the mount, fixing clamp sets up in the one end of the insulating body of rod, the mount sets up on the fixing clamp, the first leg joint that movable clamp plate one end and the mount of living set up, the movable clamp plate's alive other end and the second leg joint of mount setting, the movable clamp plate that lives forms with first support and second support and is used for the centre gripping to treat the clamping part of fixture. The utility model provides a live working parallel groove clamp installs and removes ware, staff use the device can carry out the electrification and install the lead wire splint, can only be close to electrified conducting wire through electrified car when having overcome conventional operation and carry out the lapped operation of craft, and use this instrument operation personnel overlap joint that can directly go between on the ground, and be more safe, conveniently.