Very well explained. Might be worth a power up to function check the lights before gel covers go on tho, to avoid messy reconnecting if there's a problem 👍
LED's shouldn't go open circuit though... it's fairly simple to troubleshoot the series circuits tho, you just measure voltages at various points... or simply short out fittings
These LED lights require a constant current, which is done by using a series circuit and a matching constant current driver. You could use a parallel circuit, but then all LED lights need to be the same (2 different lights can have the same current requirement but create different voltages) and the driver needs to deliver exactly the number of lights times the current requirement of one. Now when an LED light goes open circuit in that scenario, the rest of them will overload until the weakest one fails, overloading the other ones even more, until the whole circuit is buggered. If you want to use a parallel circuit, it's best to stick with voltage driven lights.
good timing and informative, i have been looking at lights the last few days, strangely enough the ones i am looking at are collingwood as well. collingwood make fantastic fittings.
Silly question, could you provide the cable info please, I am keen to buy the right one, I was thinking this - black-2-core-0-75mm-flexible-cable-50m-drum from screwfix
Should be fine - but just watch the voltage at the fixture vs maximum available at the driver. We installed one once with 100m of cable between the driver and fixture .
Wouldn't it be easier to understand to take the supply to either end of the terminal block so you have a most positive end and a most negative end. The lights then just connect their positive from most positive empty terminal and their negative to the next most positive (which will be next to to the first terminal). This would have the current path snake back and forth from one end of the block to the other without having wires from lights cross each other.
Either I misunderstood yr concept, or if I get it right then wouldn't it will incurr longer/additional wire run to the last lamp fixtures from the source of supply(DC driver unit) ??
@@matthewdale956 hi Mathew thanks for reply. I’ve been asked to rectify a Garden lighting problem which at moment is 24v so wanted to know if i could replace existing lights with LED and transformer with driver
A quick question about outside lights do you need to use metal fire rated cable clips for a cable that’s run horizontal about 3.5m up a exterior house wall? thanks in advance
Most of the LED fitting manufacturers supply the fittings with red/black connections. Adding in a different colour scheme to this video would add an additional layer of confusion.
Serious question... why does light fitting number 3 go red - red , not red - black? I am a little hungover so I might be missing something 😂. Thanks for the video always great content 👏🏻
can anybody please tell me what will be the affect on LEDs if one of its string malfunctions, will the led CC driver still provide constant because if it does the rest would get damaged. plzzzzzzzzzzzzzz help i am badly stuck
@@efixx so faulty string current would add up to the remaining one's right??? mine is yellow led COB type 3x10 connected in series and together parallel
My sir wants an answer from me that what will happen if one string fails to operate? Will its current add up to other operating strings or what? plzzzzzzz answerrrrrrrrr
Oh dear. This question demonstrates a serious lack of fundamental understanding of electricity. It's a constant current driver where the magnitude of the current is set to a suitable value to illuminate the LEDs, AND the LEDs are connected in series. A series connection means that the same current passes through ALL LEDs. If the LED fails open circuit then the current stops flowing and the LEDs will turn off. If the LED fails short circuit, or if short occurs for another reason, the current is....wait for it.... CONSTANT...that is, it doesn't change. This is not a voltage source powering the LEDs, it's a current source. If you have multiple strings of LEDs in parallel, then you may have a problem if a string fails, because the constant current power supply won't know about it and it will continue to deliver the current at a magnitude it was set to do. This means that the other strings have to take the current and consequently they will increase in brightness. Whether they blow or not will depend on what amperage the current source has been set and whether individual LEDs can handle that. You need to identify this If you are an electrician, then I suggest you change profession.
@@deang5622 Dude i am electrical engineer, i think you misunderstood my question i am talking about several led series string connected together parallelly (THERE IS NO NEED TO IDENTIFY, IF YOU HAVE EYES YOU CAN SEE IT)OBVIOUS ENOUGH, i very well know how series and parallel circuit operates, please understand before passing on comments. whatever you wrote i already know that so yea, tell me something i don't know, i have been looking for a solution to driver per led string individually and have already found one. i think you lack understanding skill DEAR.
i am sorry but in my opinion this is a terrible way of explaining it. Why not just state that there is a permanent negative from the driver that goes directly to the last light in the chain and basically starting from the 1st light the positive from the driver you are coming in on the red and out on the black and repeat all the way to the last light so that the current flows in on the red and out on the black.
