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A method for protecting a terminal-connecting portion of an insulated electrical wire by means of insert molding, the terminal-connecting portion being disposed at one end portion of the insulated electrical wire, comprising the step of: grounding an opposite end portion of the insulated electrical

A method for protecting a terminal-connecting portion of an insulated electrical wire by means of insert molding, the terminal-connecting portion being disposed at one end portion of the insulated electrical wire, comprising the step of: grounding an opposite end portion of the insulated electrical wire before the terminal-connecting portion is introduced into a die.

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1. A method for protecting a terminal-connecting portion of an insulated electrical wire connected to a terminal, the terminal-connecting portion being disposed at a first end portion of the insulated electrical wire, comprising the step of: grounding a second end portion of the insulated wire oppos

1. A method for protecting a terminal-connecting portion of an insulated electrical wire connected to a terminal, the terminal-connecting portion being disposed at a first end portion of the insulated electrical wire, comprising the step of: grounding a second end portion of the insulated wire opposite the first end portion of the insulated electrical wire before the terminal-connecting portion is introduced into a die;introducing the first end portion into the die while the second end portion remains grounded to a structure; andinsert-molding the terminal-connecting portion of the insulated electrical wire while the second end portion remains grounded to the structure at a state where both voltage to ground of the insulated electrical wire and voltage to ground of the terminal are 0. 2. The method according to claim 1, wherein the grounding is continued until the insert molding is completed. 3. The method according to claim 1, wherein the grounding is conducted by attaching the second end portion of the insulated electrical wire to a structure adjacent the die. 4. A method for protecting a terminal-connecting portion of an insulated electrical wire connected to a terminal, the terminal-connecting portion being disposed at a first end portion of the insulated electrical wire, comprising the steps of: grounding a second end portion of the insulated wire opposite the first end portion of the insulated electrical wire to a structure adjacent a die before the terminal-connecting portion is introduced into the die;introducing the first end portion into the die while the second end portion remains grounded to the structure; andinsert-molding the terminal-connecting portion of the insulated electrical wire while the second end portion remains grounded to the structure at a state where both voltage to ground of the insulated electrical wire and voltage to ground of the terminal are 0.