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LCoS
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Wavelength
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Key enzyme
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Cerebrovascular accident
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Almond
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Koua river prawn
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Ultrabasic
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Circuit breaker
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Phloem
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Powder acceleration stage
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Omega-9
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Bradykinesia
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Minerva
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Axolemma
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Sub-critical reactor
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Mid-oceanic ridge
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Factorial
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Carboniferous
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Charter for the Environment
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Prostrate shrub
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Digitising
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C cells
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Small planet
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Curettage
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Wood pellets
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Venus
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DES
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Precordial pain
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Caldera
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Polluter pays principle
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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