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yipee458

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Hi, I'm wanting to have some downlights fitted with gu10 LED bulbs 4w equivalent to 50w. The ceiling measures 5.92m by 3.57m. Can anyone advise how many would be suitable for this room size and how best to space them. Thanks
 
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D

dim_bulb

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  • #2
As a general,rule no further than 1metere apart
personally would recommend sylvania 7,5 watt as they are a true 50w equivalent
 
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yipee458

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  • #3
That would be approx 15 lights, doesnt that seem a bitt too many?
 

Amp David

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Mentor
Arms
I space between 750 and 900 mm between fittings.

Theres no 4 watt LED lamp that equal to a 50 watt halogen. They will say they are but they aren't
 
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yipee458

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  • #5
another quick thing, might aswell keep on one topic. i want to get a remote dimmer switch, does anyone know of any usable with led bulbs. thanx
 
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Lucas

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  • #6
I'd go for 10. My rule of thumb is no more than 150 apart, starting with 75 off of the wall. Joist depending of course
 
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dim_bulb

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  • #9
Post 6 bang on pardon the pun! Joist permitting or if you're really unlucky RSJ permitting I use a unsheathed screwdriver have a precheck
 
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Octopus

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  • #10
I wouldn't be putting them all on the same switch.
 
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Lucas

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  • #11
Post 6 bang on pardon the pun! Joist permitting or if you're really unlucky RSJ permitting I use a unsheathed screwdriver have a precheck
You work to 150 aswell? I normally mark the lights out with a laser and then pop little pilot holes around it roughly the downlight size
 
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dim_bulb

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  • #12
I was referring to be governed by the joists I.e measuring the d/l all out so they would look neat as then what would you know a bit of wood is in my way
 
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drew35

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  • #14
What room is? Because if its the kitchen the cupboard will throw out all of those calculations. Its not good having a down light directly above a cupboard. And then there's the joist spacing etc, I hate spacing down lights, actually, I hate down lights!
What about a lovely pendant, with a nice shade?
 

Richard Burns

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Esteemed
No, seriously, 150 what?
Presumably, from context, 150 cm.

Yipee458 selecting a dimmer switch is dependent on the lamps you have the lamps must be suitable for dimming and will normally specify if you need a leading edge or trailing edge dimmer. Whichever type you need they must be low load dimmers capable of running at a low wattage normally 0-100W or so.
Standard dimmer switches may work for a while but will eventually damage the lamps as the output is not suitable for LEDs.

BTW a 4W LED lamp will only be likely equivalent to 35W. Keep an eye on the beam angle as well.
 
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