Also called combination or engineer's pliers are a standard type of solid joint plier. The flat jaws may be used for holding or pulling sheet metal or wire. Side cutting jaws add wire cutting capabilities.
The deep jaws of lineman's pliers make them handy for grasping objects straight on rather than from the side. They're great for neatly twisting bundles of wire, and they'll also cut wire, nails, and screws. Home Improvement Encyclopedia
Multi-purpose tool which is often used when working with wire, they have a blunt, tapered nose along with built-in side. Also called side cutting pliers or electrician's pliers they have insulated handles to protect against shock from live wire.