A grounding connection to the grounded (neutral) conductor is not permitted at or for which of the following locations?
A. Separately derived systems
B. Separate buildings supplied by a feeder
C. A new branch circuit for an electric range
D. Meters on the load side of the service disconnecting means but located near the service
C. A new branch circuit for an electric range
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Plumbing codes require the installation of reduced-pressure zone principle backflow preventer assemblies in _____.
a. swimming pools b. car washes c. landscape irrigation systems d. residences
Three factors that are required to be present for electro-magnetic induction to occur are an electrical conductor, magnetic lines of flux and ____.
a. relative motion between the two b. turns of wire c. current flow d. magnetic field
A vehicle battery is consistently low on voltage. Technician A says to disconnect the battery with the engine running to test for alternator output. Technician B says that a loose alternator belt may cause this problem. Who is right?
A) A only B) B only C) Both A and B D) Neither A nor B
When a control circuit is constructed, it must have sensing devices to tell it what to do.
Answer the following statement true (T) or false (F)