What colour is the R2 conductor, Green & Yellow, what colour is the R1 conductor, Brown, what is insulation resistance measured in , MΩ Meg Ohms, what is continuity measured in, Ω ohms, what conductor do we allow to be switched, Line, what does CSA stand for, Cross sectional area, what would happen to resistance if a cable size is doubled, resistance would be halved, what would happen to resistance if cable length is doubled, resistance would double, for a 230 volt circuit what voltage setting should insulation resistance be tested at, 500 volts DC, What devices provide protection within a consumer unit, Circuit Breakers or Fuses, How many ohms (Ω) is a MΩ, 1 Million ohms, What is the nominal output voltage for a single phase supply (Uo) , 230 Volts AC, What is the term used for a cable connecting 2 , 2-way switches , Strappers, What does BC stand for on a lamp holder, Bayonet Cap, What does ES stand for on a lamp holder, Edison screw.

Basic Electrical knowledge

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