Good evening guys,
New to this forum but seeking some advice if possible. I am in the process on installing downlight in my bedroom as the single light is just not enough to cover the room, and am hoping to daisy chain them together. My current set up is a single light fitting with 2 switches...
Hi all, been a member for a while but this is my first post so hoping you can help. Been asked to install new twin set of pumps. Pictures attached of old pump (3 phase) and new pump (single phase) and the contactors And overload for the pumps . Best and easiest way to change to single phase for...
I´m about to renovate a market stand into a snack bar and need to know if I´ll need Single-phase or 3 phase power supply. The stand is very small 11m2 and will have an electric 4 hob, extractor fan, a couple of small fridges, 1 small freezer, coffee machine, microwave and toaster plus lights...
Hello, I've found an old motor originally designed for operating jealousies.
Could you help me read and better understand the following schematic?
As far as I understand, it is a single phase induction motor, there is 47 uF capacitor connected to it in order to start.
There are 3 contacts...
Hi guys,
Wanting to replace single pendant for 5 downlights in dining room, there's no loop in/out at the switch or pendant so I'm guessing there a junction box somewhere for all the lighting on ground floor, i was thinking of taking pendant and using it as the first DL using robus quick fit...
Hello,
absolute noob in LEDs and plugs/connectors.
I need to buy a single, small LED that connects to the connector shown in the picture below. A 3.3V battery powers that plug.
I'm looking for the brightest LED available that can be connected to this connector, or maybe two small LEDs if they...
Tel, what is a double single malt?
Is it a single malt x 2, or a double malt?
I can't post this in the thread you mentioned it on...something to do with sockets not working.
Please help!
(Confused of Glasgow)
HELP!!!! I have a dual occupancy house that is unoccupied for most of the year- holiday rented for about 12-15 weeks a year - so my electricity use is zero most of the time- most of my rather huge bills is produced not by consumption but by 2 sets of daily supply charges all year. Given I pay...
A friend is currently having the hallway light changed to 4 downlighters and then having the ceiling plastered.
(1) First question does this need to be done by a qualified electrician and does it need a Part P certificate?
It is not possible to install from the floor above so the builder has...
I tried to put in a smart switch, which should be simple enough but when I took the plate off I was surprised at what I saw.
There are two lights controlled by the switch, but still single pole switch. The feed wire is three way with one hot going to one light and the other hot going to the...
Hi all, ist post:
I have a portable appliance which is a temperature controlled heat plate, the input requirements are single phase 230/240vac 10.5a, the unit is designed and built in the US and is factory adapted for the UK market. The supplied flex that comes with the unit is 3.3 mm sq 3 core...
Could the better and wiser assist with an odd one...?
I've just finished a big CU swap on a 1950's house that uses single core & earth lighting circuits. All but one of these are fine, but the faulty one is pretty funky;
There are 3 accessories on this circuit in 3 separate rooms. The first...
Hello Everyone, new to the forum and looking for some advice on a new workshop, i'll explain.
I am planning on building a metal / woodworking workshop (mainly aluminium and stainless steel) for boat work, refurbishment and boat building.
I am a marine engineer to trade and i am planning on...
Hi, I received a 9kW 3ph heater from a friend from india, i was hoping to use this in steam production for a distillation project i am working at. I rewired it and made the 3 heating element in parallel connection. Now my problem is the 6 gauge wires i am using are always heating up, also some...
Has anyone had any history of powering a three phase motor from a single phase supply?
Is there a preferred/best way of doing this? i.e.single phase to three phase inverter/VVFD, convertor or using capacitors etc.
Not my usual avenue, but I have had the question put to me, so I am trying to get...
Hi,
I have a query about calculating current in a 3 phase system. So a 22kw load in 3 phase assuming a power factor of 0.8 would be 22000/(1.732x400x0.8) = 39.69A
and say a 7.2kw load on a single phase supply would be 31.30A if you simply use ohms law.
But what happens when you calculate the...
Could someone help me understand what is cable sleeving? Can we sleeve a 3 phase cable to single phase cable? Is this as per any regs? BS 7671? Could you send me some pictures of the same if you have..
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