The utility model provides a secondary cable sorting apparatus, it is equipped with line light, to line light including the earth conductor that establishes ties in proper order, a power, one indicate a bulb and a test wire, just the power concatenates through the wire between the bulb with indicateing mutually. The utility model discloses a secondary cable sorting apparatus can accurate resolution judge whether the cable that connects to different cupboards is same cable, and the use is reliable, has solved above -mentioned problem in the short time.