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What type of accessory device can be used to measure AC with a VOM without opening the circuit?
Wiki User
∙ 16y ago
Electricians use a clamp or clamp-on ammeter to measure current. The handles are squeezed together and the "jaws" open up. The clamp is then slipped over the conductor and the handles are released. The "jaws" close around the conductor and the meter is then in a position to measure current in that conductor. When current flows in a conductor, the current generates a magnetic field around the conductor. And the clamp-on ammeter can "feel" the current and measure it, thus permitting an investigator to know how much current is flowing in that conductor. The clamp-on ammeter is a stand-alone meter, but can sometimes be the kind that is plugged into a digital multimeter (DMM). A link to the Wikipedia article on the clamp ammeter is provided.
Wiki User
∙ 16y ago
Wiki User
∙ 13y agoYou can find a good deal on commercial electric radiant heaters online at www.northerntools.com . They offer great brands like Mr. Heater for garages and commercial businesses.
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When a device is removed from an outlet box which wire must be connected in such a way that it maintains continuity?
All three wires, the "hot", neutral and the ground must all maintain the integrity of the circuit. This is why pigtails are connected from the main circuitry to the receptacle or switch devices so that they can be removed without opening the electrical circuit.
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When a device is removed from an outlet box which wire must be connected in such a way that it maintains continuity?
All three wires, the "hot", neutral and the ground must all maintain the integrity of the circuit. This is why pigtails are connected from the main circuitry to the receptacle or switch devices so that they can be removed without opening the electrical circuit.
What parts to circuits have to contain?
The absolute minimum for a circuit is continuity. Without this it is not yet a circuit.
