Conduits & Conduit Fittings - substation

 Conduits & Conduit Fittings 

 

PVC conduits, it's accessories (Embedded Wiring System)

 

-   The PVC conduits shall be rigid, the conduits and conduit fittings shall be so designed and manufactured that they ensure reliable mechanical protection to the cables contained therein, and shall withstand both stresses and high temperature (up to 85°C)         liable to occur during transport, storage and installation. The material shall not soften or suffer any structural degradation at a high temperature of up to 85°C.

 

-   The PVC conduits and conduit fittings shall be suitably marked and identified by the manufacturer.

All markings shall be easily legible and shall include the nominal sizes. The inside and outside surfaces of conduits shall be smooth and free from burrs, flash, and similar defects.

 

-   The percentage conduit fill shall not exceed 40% of the conduit cross-section area.

 Molded Plastic Outlet Boxes :

 -   Boxes and covers used with PVC conduit system are to be heavy gauge pressure molded plastic, minimum 2mm thickness.

            Self extinguishing, with softening point not less than 85°deg.

 

-   Pull & junction boxes shall be suitable for use in conjunction with the selected raceway systems. Boxes in wet locations and boxes installed outside shall be jacketed.

Plastic Plates :

 

Heavy gauge, break-resistant, pressure molded plastic, white or ivory color.