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ADH
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Gravitational wave
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Decarbonation
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Ablation
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Wolf, Max
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Stimulation
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Depleted uranium
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Flamsteed number
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Autumn Crocus
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Homo habilis
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Axial skeleton
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Sedna
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T-DMB
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Tropical year
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LEO orbit
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TIPP
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eMule
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Air braking
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Geomembrane
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Glass mat
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Osmotic pressure
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Drowsiness
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Candidiasis
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Intensity
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Muon neutrino
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Mesothermal deposit
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Hotspot
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Texture
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Stratification
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Patina
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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