The utility model relates to a wiring device for replacing a lightning arrester monitor in a pluggable manner. The wiring device comprises a lightning arrester monitor and a lightning arrester monitorjunction box which can be connected with each other in a pluggable manner. The method is characterized in that the method is characterized by comprising the following steps; a rear binding post of the lightning arrester monitor is a pluggable plug. The lightning arrester monitor junction box comprises a first wiring end connected with a grounding end of a lightning arrester and a second wiring end connected with ground potential, and the plug can be inserted into a socket of the lightning arrester monitor junction box to be connected with the first wiring end and the second wiring end. The wiring device is convenient and practical, and also achieves the technical effects of saving time and labor and being capable of quickly replacing the lightning arrester monitor in a live-line manner.