Patent ID: 7082030

Claim:
A control box comprising: a case; at least one heat generating electric device located in the case; a dividing board having at least one window extending therethrough and further including a fan unit covering said window; a slot in a wall of said case; at least one dividing board guide in said case, wherein said slot and said dividing board guide are positioned at said case, and said dividing board is dimensioned, such that said dividing board introduced into said case via said slot may be guided by said dividing board guide to be inserted in said case such that said dividing board substantially completely separates the interior of said case into a heated room having said electric device and a ventilated room which does not have said electric device or any other electric device; first and second openings for opening said heated and ventilated rooms to the outside of said case, respectively wherein said fan unit is adapted to feed air from one of said rooms to another.