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In an ac system, the size of the grounding electrode conductor to a concrete-encased electrode isn’t required to be larger than a(n) _____ copper conductor.

Line current and phase current are the same in the _____ configuration.

What is the ampacity of a No. 3-AWG XHHW in a wet location at 30 degrees C? There are not more than three conductors in the conduit.

What’s the secondary line current for a fully loaded 45 kVA, 480V to 240V, three-phase transformer?

For other than dwelling occupancies, banks, or office buildings, each receptacle outlet shall be calculated at not less than _____ VA.

A single-phase transformer has a 240 V primary and a 60 V secondary. With a 5 ohm load connected, what is the primary current?

In three-phase power systems, the delivered power _____.

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What size inverse time circuit is allowed for a 5 hp, 230V, single-phase motor that is fed with #10 THHN copper?

Line voltage and phase voltage are the same in the _____ connection.