"Consild wiring"

* more use for big building, mall ,house, school, hospital,etc...

* Low maintenance 

* best view

* Low cost

* whether proof

* difficult for fault search

* no more fault

* difficult of changing wire

*  low chanchis for short circuit

* mostly use 

* Wiring has to be done along with construction

* The blueprint has to be prepared

* fault can be found from blueprint


                  "Surface wiring

* no use for new building

* high maintenance

* bad view

* high cost

* no wheather proof

* easly fault search 

* more fault 

* easly chaging wire

* more chanchis for short circuit

* low uses

* wiring has to be done after construction 

* no needed blueprint 

* fault found easly