|Less because all the components are insulated.therefore clearance required between them is less.
||More as some components such as bus bar, O.H. line are not insulated hence clearance between them is more.
|More because additional building construction is required.
||Less because no building construction is required
|Difficult due to less space available.
||Easy due to more space is available.
|Difficult because all the equipment are enclosed.
||Easy because all the equipment are in full view.
|More due to building construction. also the specially designed equipment are required as they are installed indoor.
||Less because no building construction is required. also there is no need of specially designed equipment.
|Difficult as space between equipment is less.
||Easy as space between equipment is more.