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         ENGINEERING COMMITTEE
        Interface Practices Subcommittee



     AMERICAN NATIONAL STANDARD




              ANSI/SCTE 13 2011




      Dielectric Air Leakage Test Method
For Trunk, Feeder and Distribution Coaxial Cable
                                       NOTICE

The Society of Cable Telecommunications Engineers (SCTE) Standards are intended to
serve the public interest by providing specifications, test methods and procedures that
promote uniformity of product, interchangeability and ultimately the long term reliability
of broadband communications facilities. These documents shall not in any way preclude
any member or nonmember of SCTE from manufacturing or selling products not
conforming to such documents, nor shall the existence of such standards preclude their
voluntary use by those other than SCTE members, whether used domestically or
internationally.

SCTE assumes no obligations or liability whatsoever to any party who may adopt the
Standards. Such adopting party assumes all risks associated with adoption of these
Standards or Recommended Practices, and accepts full responsibility for any damage
and/or claims arising from the adoption of such Standards or Recommended Practices.

Attention is called to the possibility that implementation of this standard may require use
of subject matter covered by patent rights. By publication of this standard, no position is
taken with respect to the existence or validity of any patent rights in connection
therewith. SCTE shall not be responsible for identifying patents for which a license may
be required or for conducting inquires into the legal validity or scope of those patents
that are brought to its attention.


Patent holders who believe that they hold patents which are essential to the
implementation of this standard have been requested to provide information about those
patents and any related licensing terms and conditions. Any such declarations made
before or after publication of this document are available on the SCTE web site at
http://www.scte.org.


                                   All Rights Reserved

             © Society of Cable Telecommunications Engineers, Inc. 2011
                                  140 Philips Road
                                   Exton, PA 19341




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1.0   SCOPE

      1.1.   The purpose of this test is to detect voids in the dielectric and the bond between
             the dielectric and the center conductor.

2.0   NOTES AND PRECAUTION

      2.1.   Check the calibration label on each piece of test equipment to insure that the test
             equipment used is within calibration period limits.

3.0   EQUIPMENT

      3.1.   Safety Glasses

      3.2.   Cable Cutters

      3.3.   Tubing Cutters

      3.4.   Band Saw

      3.5.   Water Container and Distilled Water

      3.6.   Air Transmission Regulator (Capable of Maintaining 5 PSI)

      3.7.   Adapter Capable of Connecting Cable to Airline (Including: Air Valve Stem,
             Rubber Boot, Hose Clamp). Reference Figure 1 or Equivalent.

4.0   DIAGRAM




                                          Figure 1




                                                   2
5.0   TEST METHOD

      5.1.   Cut a 14” ± 0.25” (35.6 cm ± 6.4 mm) specimen of product to be tested with cable
             cutters. Remove the jacket where applicable. Using a knife or tubing cutters,
             score the outer aluminum shield five inches from one end of the specimen. Peel
             away the outer sheath using diagonal cutters. Remove 0.5” ± 0.125” (1.27 cm ±
             3.2 mm) of the outer aluminum shield and dielectric material on the opposite end,
             exposing the center conductor. With a band saw, square the dielectric end to
             reveal a specimen length of 12” ± 0.25” (30.5 cm ± 6.4 mm).

      5.2.   Insert the exposed dielectric into the corresponding adapter. Do not over tighten
             the hose clamp. Assure that no leaks are present between the adapter and the
             specimen or any other connection.

      5.3.   Submerge approximately 2” ± 0.25” (5 cm ± 6.4 mm) of the exposed cable end
             into the water container. Note: Remove all trapped air from the submerged
             specimen.

      5.4.   Using 5 PSI ± 0.25 PSI (34.5 kpa ± 1.7 kpa), submit the specimen to air for 15
             seconds.

6.0   INSPECTION

      No bubble is to release from the end of the specimen and rise to the water surface during
      the 15-second test.

7.0   REPORTING

      Note if any air bubbles were present.




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