| No | Conduit wiring | Surface wiring |
| 1 | It is used to protect the cable inside the building or structure | These are wire that are installed outside the building |
| 2 | In the case of PVC conduit, this wiring remains protected from rust as well as fire | But surface wiring conduit is not safe in case of fire outburst or any external harm because the PVC pipe is exposed |
| 3 | Once the wiring has been completed, additions or alterations in wiring become difficult. | Removing or adding of wires can be easily done in surface wiring |
| 4 | It is more costly as compared to other types of wiring | it is more cheaper |
| 5 | It is difficult to find out the defect and remove it | You can easily trace fault |
| 6 | It allows the wire to be easily arranged to avoid partial contact | Due to the fact that the piping is exposed ( one eyes can see how the piping is done) there could be electric shock Incase of partial contact |
| 7 | Most conduit is rigid but some flexible conduit is used in pipe | All surface wiring are flexible |
