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Bait
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Absolute density
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Layout engine
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Wettability
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Bomb
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Fairing
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Skarn
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Digital
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Rootlet
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Claudication
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Biaxial
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Lahar
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Thyroid
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Pear
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Fentes alpines
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Gaia
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VPLS
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Focal length
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Carbon monoxide
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UV water steriliser
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Anthelminthics
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Trematode
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Astringent
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Microscopic soot particles
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Conformation
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ECMA
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Pyrolysis
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Synchronous
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Interstellar cloud
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Italian alder
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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