Patent ID: 8139373

Claim:
A terminal box for a solar cell module comprising: a box body including a bottom plate; an outer plate arranged in an upright manner on an outer circumference of the bottom plate; and an inner plate arranged in an upright manner inside the outer plate to thereby enclose a circuit housing area for housing an electrical circuit; an electrical circuit housed in the circuit housing area; a filler filled in the circuit housing area; an inner cover including a top plate; and a side plate extended downward from an outer circumference of the top plate, wherein the inner cover is formed into a lid shape with a metallic plate and fitted around an outer surface of the inner plate of the box body to thereby cover the circuit housing area; and an outer cover fitted around the outer plate of the box body to thereby cover the inner cover and the box body, wherein the terminal box further comprises a fitting member arranged on the side plate of the inner cover and the outer plate of the box body to thereby prevent the inner cover from being removed from the circuit housing area.