In
addition to the requirements shown under the general listing procedures,
RUS requires the following information in a request for initial acceptance
of Splice Closures:
Item
1: Test data demonstrating
compliance with RUS Bulletin 345-72, RUS Specification for Filled Splice
Closures, PE-74, excluding section 3, Encapsulant Evaluation. (This bulletin can be found at http://www.usda.gov/rus/telecom/publications/bulletins.htm). For fiber optic closures use the following
paragraph instead of section 5.3 of PE-74, cable insulation resistance
measurements:
Depending on
the type of cable being used and application, measure the splice loss
of each fiber splice at 1330 or 1550 nanometers using TIA/EIA-455-20,
Measurement of Change in Optical Transmittance. (An Internet link for this publication is indicated below.) An increase in splice loss in any fiber splice in excess of 0.1
dB constitutes a failure.
For
closures intended for fire retardant applications include additional
data showing compliance with UL94-Test for Flammability of Plastic Materials
for Parts in Devices and Appliances-(http://www.comm-2000.com/ULstandard6.asp)
For closures
intended for pressurized applications include additional data showing
compliance with:
For Fiber Optic
Closures
- Sectional Specification for Splice Closures for Pressurized Aerial,
Buried, and Underground Fiber Optic Cables
http://global.ihs.com/search_res.cfm?customer_id=%26%25X
%3B%2FK%20H%40%0A&shopping_cart_id=%26%248%5F
%25IP4H%0A&rid=TIA&input_doc_number=TIA%2D515&country
_code=US&lang_code=ENGL
