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In
addition to the requirements shown under
the general listing procedures, include
the following information in a request for
initial acceptance of power service protectors
and secondary power arresters.
Product Description
The
manufacturer should include detail regarding
the material and galvanizing and identify
it by ASTM specification numbers. The
carbon grade for the steel should also
be included.
Conformance
to Standards
Manufacturers
should include certification and data
detailing the product’s successful
suppression of the surge voltages presented
in ANSI/IEEE C62.41-1991, "IEEE Recommended
Practice for Surge Voltages in Low - Voltage
AC Power Circuits." Such information
should include actual photographs of applied
surges and suppressed surges with peak
clamping voltages and currents specified.
Manufacturers should also include photocopies
of the Underwriters Laboratories approvals
of the products as "Transient Voltage
Surge Suppressors" complying with
UL Standard 1449.
For
further information or clarification on
the above acceptance procedures, please
contact:
Norberto
Esteves
norberto.esteves@usda.gov
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