Open Book Exam #2

When using the interior metal water piping system for the grounding electrode, the connection of the grounding electrode to the water piping system must be made ___. {Ans: (d) within the first five feet entering the building 250.2(A1)}Flat cable assemblies are suitable to supply tap devices for ___ loads. The maximum branch circuit rating is 30 amps. {Ans: (d) all of these : (a) small appliance (b) small power (c) lighting 322.10(1)}The service grounding electrode conductor is sized by the rating of the ___. {Ans: (d) service-entrance conductors T. 250.66}The maximum voltage allowed to supply listed electric-discharge lighting in residences, hotels, motels and similar occupancies is ___. {Ans: (a) 120 volts 210.6(A)}When outside overhead wiring is used, with no messenger cable, the minimum size copper wire allowed for spans up to 50 feet is ___. {Ans: (b) #10 225.6(A)}___ must not be allowed to come in contact with interior parts of electrical equipment. {Ans: (d) abrasives 110.12(B)}Use of Type FCC systems in damp locations ___. {Ans: (c) are permitted 324.10(E)}The terminal bar in a panelboard is connected to the neutral bar only when the panelboard is used as ___. {Ans: (b) service