CSA Standard PVC Flexible Conduit Electrical Nonmetallic Tubing

The following should be clearly and permanently marked on the ENT tube at intervals of not more than 1.5 m (60 in):

content:

a) the manufacturer’s name, trademark or other recognized identifier;

b) “ENT” type;

c) construction material “PVC”;

d) Metric and Imperial dimensions, such as 16 (1/2);

e) “FT4” when tested according to clause 7.3; CSA C22.2 NO.227.1-06 UL 1653 21

f) production code (date of manufacture);

g) “for residential attics 900 mm (3 ft) above the bottom of the ceiling joists” when the ENT material complies with clause 4.1.4;

h) In the United States, when the manufacturer has multiple plants producing electrical non-metallic bellows, identify the production plant. In Canada, subparagraph (h) does not apply.

i) In Canada, trade size 63 (2-1/2) should be marked “Canada Only”.

The smallest package of finished cut lengths, rolls or reels shall be marked with:

a) the manufacturer’s name, trademark or other recognized identifier;

b) “ENT” type;

c) construction material “PVC”;

d) Metric and Imperial dimensions, such as 16 (1/2);

e) the total length of the product in the package;

f) the manufacturer’s instructions for fixing the solvent connection fittings (this mark may appear on the packaging or in the accompanying booklet);

g) “For residential attics 900 mm (3 ft) above the bottom of the ceiling joists” when the electrical non-metallic bellows material complies with Section 4.1.4.

h) In Canada, trade size 63 (2-1/2) should be marked “Canada Only”.