|
Item
ni
In addition
to the requirements shown under the general
listing procedures, the following information
is required in a request for initial acceptance
of building entrance terminals (BET),
Protected.
Product
Description
The application
should describe the type of protection
included with the protected building entrance
terminal (BET) such as carbon, gas tube,
or solid-state surge arresters units.
Catalog
designations for each BET according to
pair size must be included in the application.
A product
bulletin and an installation procedure
concerning the BET must be included in
the application.
Conformance
to Standards
Test
data indicating that the protected BET
either conforms to Telcordia Technical
Reference TR-NWT-000937, January 1993,
"Generic Requirements for Building
Entrance Terminals," or some other
recognized industry standard for BET units.
A certification
that the BET is listed for the purpose
in accordance with the National Electrical
Code (NEC) when tested for the purpose
by a recognized testing laboratory must
be included in the application. These
certifications shall be accomplished by
the submission photocopies of the reports
and letters of approval of such laboratories.
If the
BET uses carbon arresters, test data indicating
that the carbon arrester units either
comply with the "Station Protection"
requirements specified in RUS Bulletin
345-78, "RUS Specification for Carbon
Arrester Assemblies for Use in Protectors,
PE-78," or a certification indicating
that the carbon arrester units are currently
RUS accepted.
If the
BET uses gas tube arresters, test data
indicating that the gas tube arrester
units either comply with the RUS Acceptance
Procedures for Gas Tube Arresters - Item
Designation "nh-a" or a certification
indicating that the gas tube arrester
units are currently RUS accepted. Indicate
the duty class (light, medium, heavy,
or maximum duty) of the gas tube surge
arresters your company intends to use
with the BET. The RUS Acceptance Procedures
for Gas Tube Arresters (Item Designation
"nh-a") can be found at the
following web address: http://www.usda.gov/rus/telecom/listing
procedures/section 5/nh lop.htm
If the BET uses solid-state surge arresters,
test data indicating that the solid-state
surge arrester units either comply with
the RUS Acceptance Procedures for Solid-State
Surge Arresters - Item Designation "nh-b"
or a certification indicating that the
solid-state surge arrester units are currently
RUS accepted. The RUS Acceptance Procedures
for Solid-State Surge Arresters (Item
Designation "nh-b") can be found
at the following web address: http://www.usda.gov/rus/telecom/listing
procedures/section 5/nh lop.htm
Samples
The manufacturer
shall submit one 12-pair BET fully equipped
with protection and cover.
For
further information or clarification on
the above acceptance procedures, please
contact:
Norberto
Esteves
norberto.esteves@usda.gov
|
