aluminum conductor inspection/testing

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What is the recommended/required interval between inpections of aluminum terminations in commercial buildings? Feeds and branch

 

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What is the recommended/required interval between inpections of aluminum terminations in commercial buildings? Feeds and branch

NFPA 70B covers this. It should be noted that modern day AL building wire alloys due not require (and should not be) periodic re-tightening. Here is an IAEI article that may be of interest on this subject:http://www.aluminum.org/sites/default/files/Aluminum Building Wire Installation & Terminations.pdf