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Hydrothermal deposit
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Calipso
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EPR reactor
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pH
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Amyotrophy
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Tephrite
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CT arthrogram
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Ebola Virus
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Gost
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ISO
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Subcosmopolitan
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Red deer
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Tuberculosis
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Titania
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Grapefruit
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Glucose
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Volcano
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Contusion
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Solar Impulse
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PCB
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PSP
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Condensation boiler
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NIST
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Kinase
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Aldehyde
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Comet tail
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Mycoplasma
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MTI
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Paedomorphosis
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Thermoset
Dry contact
A dry contact is a type of switch that opens or closes controlled by the electricity distributor depending on the time period: peak or off-peak, for example.
On electronic meters it is identified by four terminals that operate in pairs. Marked C1/C2 and C3/C4, they are not sealed and can therefore be connected to a day/night switch.
This diagram of an electricity meter shows the dry contact at C1/C2 and C3/C4. © DR
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