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Page 354

| Figure 17-22 (A) External details, and (B) internal details of watt-hour demand register. |

| at 5000 V or less. The voltage coil may be connected directly to voltage sources up to about 700 V. |

| Method of Connecting Instruments |

| Since an ammeter measures current, it must be connected in series with a circuit so that the current flowing in the circuit will also flow through it. A |

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