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Connecting different sized cables
Just wondering how everyone would connect a 120mm2 2C+E cable (Cable 1) to a 16mm2 cable 2C+E(Cable 2). Cable 1 is from the switchroom (upstream CB is 32A) to a remote room (very long run I have been told) and is 120mm2 for volt drop. Both cables are copper. Once Cable 1 enters the remote room...- faraway73
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- Replies: 4
- Forum: Circuit design
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Non synchronous power sources
I am testing a transfer switch that is supposed to be able to handle two single phase sources that are asynchronous, and switch seamlessly from the first source to the second when the first one fails. In our office we have a three phase supply. So if I took one single phase supply off red to...- faraway73
- Thread
- Replies: 4
- Forum: Circuit design
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Protection of ELV circuits
Hi Everyone I am new to the forums and would like some advice for circuit design. I have an AC/DC (240VAC/24VDC) power supply unit supplying one DC circuit. My question is, should I have a circuit breaker on the DC side to protect the DC circuit? And if a circuit breaker is required on the...- faraway73
- Thread
- Replies: 7
- Forum: Circuit design
