Can one circuit take 14 LED T5 lights?
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 Nov 26 2016, 10:22 AM
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#1
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All Stars
12,019 posts Joined: Jan 2003 
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Light circuit is not same as plug point circuit, it usually share with multiple light point into one circuit. It all depending how many light connected/shared to one circuit, usually is sufficientm unless you have some big azz halogen.
Older property wiring usually use one circuit for entire link house, about ~2000watt in total, modern house provide 2 or 3 circuits. |
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Nov 26 2016, 01:26 PM
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#2
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All Stars
12,019 posts Joined: Jan 2003
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QUOTE(Knight_2008 @ Nov 26 2016, 11:56 AM) Mine is a new condo. Le yuan residence. So if 2-3 circuits, means it is 4600/3? Not too sure, the simplest way to know is trip the mcb, if one mcb control the entire light of your condo than is only one circuit. I am guessing is very likely one circuit. And check the amp the mcb used. |
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Nov 26 2016, 01:28 PM
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#3
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All Stars
12,019 posts Joined: Jan 2003
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How many watt each circuit can take depending on the amp of mcb, and wire thickness.
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Nov 26 2016, 04:02 PM
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#4
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All Stars
12,019 posts Joined: Jan 2003
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QUOTE(fireballs @ Nov 26 2016, 03:53 PM) T5 4 feet x 10 set T5 is far more efficient than any t5 led you can find in the market and is also efficient when compared lumen /watt, it will here to stay.T5 2 feet x 2 set T5 1 foot x 2 set assuming led, 4'=16w, 2' =8w 1'=4w total = 160+16+8 = 184w assume lousiest possible quality = pf0.7 assume very low voltage 240-15% = 204v w=vxaxpf 184 = 204 x a x 0.7 a= 1.29 amps this is like nothing.. you can add 10 more sets to the circuit before it blows. and yes.. stop investing in t5 florocent. its obsolete and soon you cannot find the tubes anymore. |
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Nov 26 2016, 04:39 PM
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#5
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All Stars
12,019 posts Joined: Jan 2003
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My T5 Osram is not very expensive, 4ft is 20+ set, and replacement is 10+, been using it since 2011, the outdoor T5 only change once time tube since 2011 and is on 12 hours a day non stop. T5 tube is not more than RM 15, can sometime get 10+.
I tried replace outdoor T5 with LED, even when is new, is only giving 1/2 the brightness of the original T5, and after 3 months of usages, is time to go into dustbin. LED Torchlight is good, and light ficture that use CREE LED will be top notch, wonder how many willing to spend these type of quality. |
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Nov 26 2016, 06:36 PM
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#6
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All Stars
12,019 posts Joined: Jan 2003
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QUOTE(Richard @ Nov 26 2016, 06:25 PM) I can relate to that.. My personal analogy of buying led lights is at most ~2x the original price of the light I going to replace. The led i got was about rm60, and is really pathetic in term of brightness. If going to buy so much more expensive, there won't be any real ROI, unless some company can prove their bright led is really so so lasting.The earlier designed LED lighting didn't last very long because of the design and quality of the electronics.. Go for branded LED's if you're looking for longer lifespan, the quality of the components and design of the drivers have improved significantly.. but whether they're lasting longer than branded fluorescent light still remains to be seen.. Note: fireballs, you need to use worse case scenario meaning peak voltage = 240V + 6% LED is a diode so its DC (power factor is a property of AC circuit only).. back on topic practically the current draw should still be very small, the main issue here is the quality and durability of the LED and the driver.. |
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