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Thyroidectomy
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Nucleosynthesis
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Diabetes
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Anti-anaemic
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DVD-R
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Colour
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Missing link
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Proteus
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Polymerisation
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Spectral colour
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H5N1
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Supercooling
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Universal time
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Helicase
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Bonding
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DART
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Tibia
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Meningioma
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Gill rakers
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ToIP
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Tempo
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Gulf Stream
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Anther
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Folliculitis
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Cleavage
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Antineoplastic
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Main sequence star
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Invertebrate
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Exoplanet
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Bergeron Effect
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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