Electrical Engineering

Questions tagged [distribution-board]

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Power Distribution for multiple 5V consumers

I'm a newby in the field of Electrical Engineering (only basic knowledge from school). Nevertheless, I need to power up to 10 Raspberry Pis (5V, 2A) with Dupont Connectors and AWG24 cables over GPIO ...
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Dividing Current to 10 outputs from 5V source

I need to create a simple power supply circuit to feed 10 external boards, similar to a USB power hub. My power source is an AC to DC adapter measured to output 5V 10A. I need to limit the maximum ...
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Operation of DC power distribution boards/panels/strips

I have purchased a variable bench power supply 0-30 volts and 0-10 amps. I intend buy and to connect this supply to a suitable dc power distribution board, from which I wish to power four led matrix ...
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Basic 3 phase question

I've come across this question at work and it has stumped me... even though it is quite basic. A distribution board is supplied by 3 phase 415 AC power. From the distribution board to a circuit ...
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Connecting a 3mm electrical wire in a non air environment?

Is it safe to connect a 3mm electrical wire (running 240 V) in a complete closed no air environment (Completely sealed "Hazard proof" cabinet) ? I will use similar to the below
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How to select a home automatic circuit breaker?

A room contains electrical devices which has a max demand of 10A (may be more than that in the future). The mains cable from the electric panel (distribution board) is 4 mm2 which can handle current ...