Assertion: aluminum wiring | /r/HasProperty | concern
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Source sentences:
text: There are basically three reasons why aluminum wiring may be of concern: it has a tendency to oxidize which increases the wire's resistance resulting in the wire overheating at the receptacle it is more malleable (softer) than copper and therefore easily nicked because of its high thermal expansion, it has a tendency to change shape at the terminal screws and thus become loose or creep off