power

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  1. C

    Mobile coffee power problem.

    Hi. I want to open a mobile coffee shop. I'm finding it difficult to power it without going duel fuel. I'm thinking 4x110ah 12v agm leisure battery's with a b2b charger to the alternator, 200w solar system. And a generator for back up. With a mains hook-up too. My math got it to 45 mins...
  2. Lucien Nunes

    Reported content: Post in thread 'Domestic - Power Jack 12 volt LF inverter'

    Post in thread 'Domestic - Power Jack 12 volt LF inverter' by mainline has been reported by Lucien Nunes. Reason given: Content being reported:
  3. R

    Radiator power cable.

    Hi, is it acceptable to extend the power cable to a wall radiator as in the attached picture. The cable was contained within plastic conduit.
  4. T

    Bend 90°?: 1.33" thick power cable with 7" length from wall?

    Hello. Is it allowed to turn a 1.3" (34mm) thick 4-core (neutral and 3 phase) cable that is 7" (18cm) long, including outer insulation, at the exit from the wall by 90° like a clock hand? If the insulations are too stiff, I could heat the piece of cable with a hair dryer. This black cable is...
  5. timhoward

    Stable power source - UPS?

    Would a small UPS, running on batteries, be a suitably stable 230v 50hz supply while I do some tinkering with the loop calibration settings on an old Robin 1610? Any better idea's that don't cost a lot? This is entirely a hobby project and not worth investing in lots of equipment for,. My copy...
  6. S

    One plug suddenly lost power.

    Hello, So I noticed my fridge had lost power, disconnected it and tried a hoover in the same socket and this also wouldn't work. I tried the fridge in a different socket and this worked fine. I checked the main fuse box and nothing has tripped. The RCD is still in the on position. I tried...
  7. L

    UPS 16amp power supplies

    Hi chaps Customer has asked me about installing a mains supply to a 16amp UPS on their server. The UPS hasn’t come with a power cord, the customer has searched Amazon for a 16Amp IEC C19 lead which comes with a 13Amp plug top, should it be supplied directly to the CU on a 16amp RCBO on a...
  8. B

    Connecting coaxial power connector to the battery

    Hello, I want to have my battery as a main power source so I can plug it in to my device which have this coaxial power connector(outside using). Everything I need is to cut this EU Plug split the wires and connect to the battery, which one is the positive and negative wire?
  9. C

    How can i have power flowing in a circuit where 1 item works but rest of chain does not?

    There is power flowing. I have checked with multimeter. One light on the line works..even replaced the switch it is connected to. Rest of line still down. Been down for months since a large storm although no indications of lightening strike. Replaced breaker on Sunday...no dice. On Tuesday power...
  10. M

    3 phase power connection upgrade

    Hi we want to upgrade our single phase power to 3 phase power at our commercial premises. 3 phase is next door just beside our doors. We need 67 kv of power for our sunbed shop. Will electrical supplier need to put new cable or they can connect us to existing one ?
  11. D

    Power Supply Fuse Help ?

    Hello everyone, I want to ask a question that I am sure will be easy for you, because I am not sure of the answer, but I am sure it is very easy for someone who is knowledgeable enough. Input 100-240V. 2.5 A - Output 24V. I have a 5A power supply, Should the fuse I need to connect before the...
  12. D

    Backup Generator using RV power outlet

    I currently have a 100 amp sub panel for a 50 amp RV hookup (on a 60 amp breaker). This is about 100ft from the main with 2/4 wiring. Would a 12000w generator plugged into RV hookup power the house? I think the issue would be limited amps so I could only run one of the following at a time: 1)...
  13. JoeMagin

    Powerline Adaptor and power bands

    Hi, Just been looking into powerline adaptors and just wondering how they work. I read that they operate on far higher frequencies to mains power, but if that's the case why don't you have to separate band 1 and 2 like in other applications? Just hoping to find out the reasons Cheers Lads
  14. G

    Is an additional breaker required when using my generator to power a household circuit?

    Apologies up front but I'm a DIYer and only got 1 reply on that forum so trying here. I'm in Ontario Canada where a homeowner can do there own electrical work. Here's my question: On my 2200 watt Honda generator the 120 v outlets are protected by a built in 20 amp breaker. Can I use this safely...
  15. L

    12V LED Power supply in a caravan as main power supply

    Hello, I am currently DIY upgrading a caravan with my girlfriend but need some advice. The (very old) 230VAC to 13.8VDC power supply broke down and needs to be replaced. It is rated with 10A output but I would like to replace it with a 12V one with at least 15A. The old supply was intended to...
  16. E

    How to understand power ratings and interaction with fuses

    Hi there I have a few questions related to the power ratings of certain devices and how this interplays with the fuse. The reason I am asking this is whether I can safely add new plug sockets off an existing 3A fused spur (I plan to only use these plug sockets for low power devices). The...
  17. A

    Dynamic power control for HW cylinder heating

    I would like to know if it is possible to dynamically control the available current to Hot Water cylinder that has 3 x 4.8Kw immersion heater elements. The house supply is single phase 63A supply. When something like a jug or oven is turned on, then I wish to the HW cylinder load to be...
  18. I

    Shore power plug fitting

    I know this is a long shot but I am trying to find a simple electrical component that does not seem to be available. Wondering if anyone here has seen one and could post a link to it. I am looking for a recessed flanged covered male 15 amp shore power receptacle that I could mount through the...
  19. S

    No power through ceiling rose

    Hello all, I'm replacing a 3-bulb spotlight with a standard BG ceiling rose but upon connecting, the light won't turn on; the problem is, I can't see why. We can handle the wiring shortly, but after a day or two of testing - wiring the spot back on, test (it works), replacing with the ceiling...
  20. D

    Power Jack 12 volt LF inverter

    I bought Power Jack 12 volt LF inverter few years back, Can I modify this inverter to 24 V or better 48 V inverter? Possible???
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