What safety problems should we pay attention to when using electric drills or hand-held power tools?
The motor inlet shall be provided with a ground or zero connection device.(4) wearing shoes must be worn while wearing protective gloves such as insulating gloves.(5) each use of tools must be strictly checked.
All of the wires must be more tough and durable rubber covered wire. When the wire enters the shell of the motor, the rubber ring is used to protect the insulation layer of the wire from being worn out.
All conducting parts must be well insulated,