The utility model provides an insulated clamp. The insulated clamp comprises two clamp bodies, an insulated handheld rod, an operation mechanism and a locking device, wherein each clamp body comprises a clamp jaw section, a clamp handle section and a pivot joint part located between the clamp jaw section and the clamp handle section, the two pivot joint parts of the two clamp bodies are in pivoted connection through a connecting piece, and each of the two clamp jaw sections of the two clamp bodies has a clamping state for clamping a part and a loosening state for loosening the part; the operation mechanism comprises a pull rod, the pull rod and the insulated handheld rod are in one-to-one correspondence with the two clamp handle section, the pull rod is in pivoted connection with the corresponding clamp handle section, and the insulated handheld rod is fixedly connected with the corresponding clamp handle section; and the locking device has a locking state for fixing the two clamp jaw section in the clamping state as well as a free state for releasing the locking state. With the adoption of the insulated clamp, both hands of an operator can be used for operating other insulated tools for next operation, and the labor intensity is reduced.