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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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12v Low Volatge lights
Ikea sell some LV lights (4) which attach to a 80VA transformer. The wattage
of each light is 20w. Its basically two pieces of insulated wire which are hung, between two fixed objects e.g.: walls. The transformer attaches at one end feeding the four lights in parallel. My question If the feed point is moved from the end, to the centre of the wires, so its between lamps 2 and 3. Will the transformer cope, as I believe we now have two parallel circuits. Thanks Darren |
#2
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"Darren Forward" darren" dot "forward" dot "e7even" dot "com wrote in message ... Ikea sell some LV lights (4) which attach to a 80VA transformer. The wattage of each light is 20w. Its basically two pieces of insulated wire which are hung, between two fixed objects e.g.: walls. The transformer attaches at one end feeding the four lights in parallel. My question If the feed point is moved from the end, to the centre of the wires, so its between lamps 2 and 3. Will the transformer cope, as I believe we now have two parallel circuits. There should be no problem. You could call it two parallel circuits, but really you still only have one parallel circuit i.e. there is only one power source and the load has not altered. Adam |
#3
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Darren Forward wrote:
My question If the feed point is moved from the end, to the centre of the wires, so its between lamps 2 and 3. Will the transformer cope, as I believe we now have two parallel circuits. Yes... the circuit is exactly the same as it was before - one circuit with 4 lights in parallel. -- Cheers, John. /================================================== ===============\ | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------| | John Rumm - john(at)internode(dot)co(dot)uk | \================================================= ================/ |
#4
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Darren Forward wrote:
Ikea sell some LV lights (4) which attach to a 80VA transformer. The wattage of each light is 20w. Its basically two pieces of insulated wire which are hung, between two fixed objects e.g.: walls. The transformer attaches at one end feeding the four lights in parallel. My question If the feed point is moved from the end, to the centre of the wires, so its between lamps 2 and 3. Will the transformer cope, as I believe we now have two parallel circuits. Thanks Darren No problem there, but if its the same as the one sold by Screwfix, the holders are cr@p. I fitted a set last summer, and 3 holders have failed already. |
#5
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Since the supply lines are common rail, it doesn't matter where you put
the transformer feeds. There are only 2 nodes in the circuit, no matter how you wire it! |
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