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Xylitol
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Tumour antigen
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SDSL
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Proteome
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Tetrapod
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Ultrafiltration
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Aquifer
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Call waiting
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Eaves
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Weed
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Tendex line
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DBMS
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Fluorescein
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Ferralisation
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Norway maple
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Torrent
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CDA
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Trackpad
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Sodium-rich rock
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BIOS
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TTP
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Endoplasmic reticulum
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Malaria
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Oven
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Dilatation
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Voice synthesis
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Cullin
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Caustic
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Proton pump inhibitor
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Earth Summit
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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