Questions tagged [distribution-board]

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3 votes
3 answers
72 views

Interrupt rating of all fuses in branches of same circuit

I am redesigning my boat's DC electric circuit, and when looking at the main battery fuse to determine its correct interrupt rating (i.e. the current the fuse will be able to fully interrupt without ...
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218 views

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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140 views

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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  • 319
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1 answer
45 views

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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0 votes
1 answer
85 views

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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  • 1
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1 answer
52 views

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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  • 103
1 vote
2 answers
630 views

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 ...
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