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In addition to the information required under the general acceptance procedures, include the following information in a request for initial acceptance of network interface devices (NIDs).

Product Description

The manufacturer should include detail regarding the type of protection included and, if of the gas tube variety, should include the gas tube duty class for which the product should be considered for acceptance, i.e., light, medium, heavy or maximum duty per RUS Bulletin345-83, "RUS Specification for Gas Tube Surge Arresters - PE-80."

Conformance to Standards

Manufacturers should certify compliance of its product to a recognized Network Interface Device standard such as, but not limited to, the Telcordia Technologies GR-49, "Outdoor Telephone Network Interface Devices." In addition, the manufacturer should submit certified information detailing conformance to Paragraphs 3.1 and 3.2 of RUS Bulletin 345-39, "Specification for Telephone Station Protectors - PEG-2," except where PEG-1 and PEG-4 are referred to, use RUS Bulletin 345-83, "RUS Specification for Gas Tube Surge Arresters - PE-80" and RUS Bulletin 345-78, "RUS Specification for Carbon Arrester Assemblies for Use in Protectors - PE-78," respectively. All NIDs should obtain the acceptance of a recognized testing laboratory as required by the National Electrical Code. Photocopies of the reports and letters of approval of such laboratories should be submitted with all requests for RUS consideration.

Samples

The manufacturer should submit one sample, fully equipped with demarcation, protection and cover for each network interface device for which RUS acceptance is requested.

For further information or clarification on the above acceptance procedures, please contact:

Norberto Esteves
norberto.esteves@usda.gov