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LED lighting for consumer unit cupboard

Based on a Labs project | October 2011 | Find it here
LED lighting for consumer unit cupboard
The consumer unit (or ‘electricity meter’) cupboard in some older houses is a badly lit place. If the bell transformer is also located in this cupboard, it may be used to provide emergency lighting by two high-current LEDs. These diodes are powered via a small circuit that switches over to four NiCd batteries when the mains fails.
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