Advantages and Disadvantages of Lead Sheathed Wiring

Advantages and Disadvantages of Lead Sheathed Wiring Points : advantages and disadvantages of lead sheathed wiring Advantages

1. It is easy to fix and looks nice as it can be run in buildings without damaging decoration and can be painted to suit colour scheme of surroundings.
2. It can be used in damp situations provided protection against moisture effect on the ends of the cables are given.
3. It can be used in situations exposed to rain and .sum provided no joint is exposed.
4. It provides protection against mechanical injury better than that of TRS wiring.
5. Its life is long if proper earth continuity is maintained throughout.

Disadvantages

1. In case of damage of insulation, the metal sheath becomes alive and gives shock so as to provide safety against, electrical shock it is necessary that the sheath is properly earthed and an earth wire is run side by side with it and all pieces are properly bonded or jointed together so that not a single cover unearthed.
2. It is not suitable for places where chemical corrosion may occur.
3. Skilled labour and proper supervisions is required.
4. It is costlier than TRS wiring.