Ventilation and heat dissipation This junction box has sizeable 1.77 -inch diameter heat dissipation holes on both sides. Remove the heat from the box case in time to avoid high temperatures leading to equipment failure or abnormal work.
Rainproof louversThe vent is equipped with rainproof louvers outside, the window leaves are slanted downward 45 degrees, and the contact with the box uses waterproof strips and professional glue paints.