First of all, from the appearance point of view, the shell of the heat-shrinkable tube SPD is using a section of heat-shrinkable tube which wrapped the electronic components tightly after high temperature heating, thus forming the shell of the finished lightning protection device.
UV protection high-quality material: the cable junction box is made of high-quality PC plastic. UV protection material allows a long service life, it does not crack or fade in sunlight, corrosion-resistant, high temperature resistant, durable. UKCA,ENEC,certificate.
If you do not need so much interfaces, you can use the spare stopper to block the interface.
This Junction box connector: 3-way M684 plug, cable range 0.19-0.47in (5-12mm), suitable for 2-or3-pin cables.
It is suitable for connecting outdoor lights,outdoor wiring and cable maintenance or extension.