IS 3419 : 1989 Fittings For Rigid Non-metallic Conduits

1.Scope

1.1 This standard specifies the requirements and methods of test for rigid conduit fittings manufactured from insulating materials for use with circular, rigid, non-flame propagating and nonthreadable plain conduits of insulating materials.

1.1.1 This standard covers conduit fittings suitable for temperature between -5°C and t60”C.

NOTE - Non-metallic conduit fitting complying with this standard will be suitable for use at temperatures below -5°C subject to a reduction in mechanical strength.

1.1.2 Only plain type fittings are covered in this standard.

11.2 The fittings covered by this standard are:

a) Couplers,

b) Bends,

c) Elbows,

d) Tees,

e) Inspection sleeves, and

f) Boxes.