The role of forceps
1. Wire cutter: it is a kind of clamp and cutting tool. It is composed of clamp head and clamp handle. The clamp head includes jaw, tooth edge, knife edge and cutting edge. The functions of each part of the forceps are as follows:
① The tooth mouth can be used to tighten or loosen the nut;
② The knife edge can be used to cut the rubber or plastic insulation layer of flexible wires, and also can be used to cut wires and iron wire pliers;
③ The cutting mouth can be used to cut off wire, steel wire and other hard metal wire;
④ The insulated plastic pipe of tongs can withstand more than 500V. With it, the electric wire can be cut. In use, do not litter.

2. Pointed nose pliers: also known as trimming pliers, it is mainly used to cut single strand and multi strand wires with smaller wire diameter, as well as to bend single strand wire joints and peel off plastic insulation layer. It is also one of the tools commonly used by electricians (especially internal wire electricians). It is composed of sharp end, knife edge and clamp handle. Insulated bushing with rated voltage of 500V is set on the handle of needle nose pliers for electricians. Due to the sharp head of needle nose pliers, it is used to operate in a narrow space. The operation method of using pointed nose pliers to bend the wire joint is as follows: first fold the wire end to the left, and then bend it to the right in clockwise direction against the screw rod.

3. Wire stripper: one of the tools commonly used by internal line electrician, motor repair and instrument electrician. It is composed of knife edge, wire pressing edge and clamp handle. The handle of stripper is covered with an insulating sleeve with rated working voltage of 500V. Stripper is suitable for peeling plastic, rubber insulated wire and cable core

4. Pipe wrench: used to tighten or loosen the bundle or tube nut on the wire tube. Use the same method as the spanner wrench
To sum up, wire cutters, pointed nose pliers, wire strippers and pipe tongs are hand tools with high frequency and wide range of use in daily life. Different types and specifications of pliers play different roles. For an outsider, before operation, the classification and function of pliers should be understood and well known. Only in the process of use can it be more convenient and convenient.

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