Make of insulating fireproofing materials,safe,resistance,high melting point,highly temperature resistance. Pressing sheet is great conductives steel spring,good elasticity,strong toughness,high rate of electricity,energy saving,resistance. The spring wire connectors wiring operate is simple,drilling screws,completely replace the electrician tape. The identification is clear,the L is connecting to the Live line,the other is connecting to Neutral line. Push wire connector suitable for motor,electrical control,power,household appliances,lighting,machinery and wire joints.