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Bure laboratory
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Myeloid
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Circuit breaker
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Constellation of Monoceros
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Algal film
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Tidal Gate
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Magnitude and intensity
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Reach
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Banya
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Shooting star
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Antiseptic
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Temperature
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Embryo
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Splenectomy
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SQUID
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NMR
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Almond
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Polar coordinates of a direction
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Sexual selection
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Natural gas
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3G
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Constellation of Draco
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Antares
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Sprain
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ASCII
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OPEC
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Datamining
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Semi hybrid
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Plantibodies
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Eclipse of the Sun
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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