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並前往http://www2.ttconnect.gov.tt/gortt/wcm/connect/cb44b9804b3a6aed90f7f7d0ad85b8bc/SummaryofNewElectricalWiringColourCode.pdf?MOD=AJPERES

Summary of New Electrical Wiring Colour Code - TTConnect

The fixed installation colours of red and black are replaced by the new colours of brown and blue. • For 2-core cables, identify the neutral as grey.

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