wiring
US /ˈwaɪr.ɪŋ/
UK /ˈwaɪr.ɪŋ/

1.
a system of wires providing electrical power or carrying telecommunications signals to a number of outlets or devices
:
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The old house needed new electrical wiring.
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Check the wiring to make sure everything is connected correctly.
2.
the internal structure or organization of something, especially a person's brain or personality
:
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His brain's wiring makes him exceptionally good at math.
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Her emotional wiring makes her very sensitive to criticism.