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Why does the USE-2 aluminum cable need test?

Apr. 17, 2017

Because USE-2 aluminum cable is typically installed underground or in similar locations where a flame may not propagate but PV wire cable can be exposed in an installation, a flame test is required only for PV wire cable. On the other hand, an overload test and mechanical abuse tests including crushing resistance and impact resistance are applicable only to USE-2 aluminum conductor.


PV Wire Cable


As for sunlight resistance and flexibility at low temperature tests, PV wire cable must comply with more stringent requirements. It undergoes a 720-hour weatherometer and -40ºC cold chamber conditioning. The requirements for USE-2 aluminum cable are 300-hour weatherometer and -25ºC cold chamber conditioning.


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Jennifer Kevin leo