9. Both ends of the wire stripped of the insulation layer must be covered with a coding sleeve. From the terminal at one end to the terminal at the other end, it must be connected with a wire, and there must be no joints in the middle.
9. The stripped insulation layer of the wire should be covered with coding sleeves at both ends. From one end of the wiring terminal to the other end of the wiring terminal, it must be connected with wires and there should be no joints in the middle.
9. Both ends of the wire stripped of insulation shall be covered with coding sleeves, and the terminal from one end to the other end must be connected by wires, and there can be no joint in the middle.