This type of wiring is also used for house wiring and is quite cheap.
Cab tyre sheathed wire or rubber sheathed wire is normally used as conductor for this wiring.
The wires are run on the teak wooden battens which are fixed on the wall or the ceiling by means of screws and wooden pluge.
Advantages
1 It is easy to install and rewire.
2 Its life is long
3 It is cheaper than the other types of wiring except cleat wiring.
4 Conductor have strong insulation.
Disadvantages
1 The conductor are open and liable to mechanical injury therfore this type of wiring cannot be used workshop etc.
2 Good workmanship is required to make a sound job in TRS wiring.
Application
1 This type of wiring is suitable for low voltage installation and is extensively used for lightning purpose.
2 This type of wiring is suitable where acids and alkalis are likely to be prescut.
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