supply
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Power transformer Low voltage supply
I recently installed a 200kva, 33/0.400 KV transformer for a small commercial hostel, so after powering the transformer, we checked all the output of the 3 phase at the secondary side and it was ok but whenever a single air conditioner is powered , then the voltage becomes low. Please guide me...- Thayour20
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- low voltage power supply transformer voltage
- Replies: 2
- Forum: UK Electrical Forum
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N - E Fault on TNS Supply?
Hi All, Right, I have a very strange fault occurring so I'll start from the beginning. I have recently carried out a consumer unit change from an old rewireable to a new split load RCD protected consumer unit. So I had changed the board and put new meter tails in. I have tested all the...- LeccyLad1990
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- fault supply
- Replies: 29
- Forum: UK Electrical Forum
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Off grid DC supply in domestic.
Just thinking! dangerous I know. but I want to get some pv panels up in my home, but thought about setting it up without the inverter or giving back into the grid. id use it for totally resistive loads like a storage heater or water immersion. Storage heater would be old style without the...- Deleted account
- Thread
- domestic grid off off grid supply
- Replies: 4
- Forum: Domestic Electrician Forum
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EV charger considerations on TT supply
Hi all. Will have to forgive me for enquiring about basic question but would rather be sure of all considerations than not. Went to view property for potential EV install yesterday. On viewing intake of property I realised supply had been converted from PME to a TT supply. I'm unsure why they...- DaveS
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- charger ev charger supply
- Replies: 2
- Forum: UK Electrical Forum
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2 Phase and neutral supply ??
Hi All Question regarding 2 phase supplies. Came across this at a farm house, supply is in 3 phase and neutral to the main dist board, then from the 3 phase board at the farm house out to the garage is a 4 core SWA. They have taken 2 phases and neutral from a 63amp double pole MCB at the farm...- Buzz1980
- Thread
- neutral phase supply
- Replies: 19
- Forum: UK Electrical Forum
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Three Phase Power supply
Greetings I work for a client who has recently negotiated a bigger supply from the supply authority, the client has agreed with Scottish power to have a larger transformer and feeder cable installed, my part of the works is to upgrade the existing switchgear to accomodate for the new supply...- dragonspark
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- phase power power supply supply three three phase
- Replies: 12
- Forum: UK Electrical Forum
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Laptop power supply isn't outputting enough power
Hello, everyone! I'm brand new to this forum. I have a question regarding my laptop. Its input power is 240W @ 19.5 V, and about 12.3 A. Its power supply naturally outputs this amount (nominally), and draws from the socket 100-240V @ 3.5 A (50 - 60 Hz). When I was working back in Italy (220...- VicenteMMOS
- Thread
- enough isn't laptop power power supply supply
- Replies: 13
- Forum: UK Electrical Forum
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EICR. Cu "armoured" 3Ph supply cable. Is this a thing?
I've come across a DNO installed (SSEN) 3 Ph 3 core PNE supply cable from a private substation to a large Lucy domestic head. Cable 3 Ph is copper "armoured" (or is there a better name for it?). Entirely underground, entirely within a domestic single owner property. No obvious practical or...- 1Justin
- Thread
- armoured cable eicr supply thing
- Replies: 15
- Forum: UK Electrical Forum
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