If the lead wire of the carbon brush is covered with an insulating tube, it should be installed in the insulating carbon brush holder
Carbon brushes, also called electric brushes, are widely used in many electrical equipment as a sliding contact.
The electrical insulating material is a key base material for manufacturing electrical (electronic) equipment, which has decisive effects on the life of electrical (electronic) equipment and operational reliability.
The frequency of carbon brush replacement is not specified. According to the hardness of the carbon brush itself
1, insulation paper tape in the original insulation paper on the premise of cutting it into various widths