Electrical Drum with Special Function Ground Check Reel, 100 V, with Ground 30 m

Includes a ground check indicator lamp. Allows you to tell whether the ground wire is reliable by simply plugging into the outlet and looking at the indicator lamp.

[Features]
· Allows you to tell whether the ground wire is reliable by simply plugging into the outlet and looking at the indicator lamp.
· Employs a ground check snap plug that illuminates to indicate whether it is connected to ground.
· If the snap plug is plugged into a grounded outlet and the connection to ground is confirmed, the lamp inside the snap plug will illuminate so that the grounding status can be determined at a glance.