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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Electrical Questions >> How many LED down lights will I need https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1517867807 Message started by Blusteve on Feb 5^th, 2018, 9:56pm

Title: How many LED down lights will I need
Post by Blusteve on Feb 5^th, 2018, 9:56pm

I have a room measuring 10 x 17.5 foot and would like to put some 9 watt warm white LED downlights in they have a 60 degree beam as well. Just need to know how many I should have installed. The room is a living room from an open plan living/dining room.

Title: Re: How many LED down lights will I need
Post by Natedog on Feb 6^th, 2018, 7:02am

How well lit do you want the room?

Title: Re: How many LED down lights will I need
Post by londonman on Feb 6^th, 2018, 4:02pm

And don't make the mistake of putting them in symmetrically. Far better to group them where the areas of activity are. They look better as well.

And get a spare (or two depending on how many you get) because if/when one of them fails then trying to get a matching one a few years downline will be nigh impossible.

Title: Re: How many LED down lights will I need
Post by Lectrician on Feb 6^th, 2018, 6:51pm

Ceiling height?

Title: Re: How many LED down lights will I need
Post by CWatters on Feb 8^th, 2018, 4:53pm

I think 9W LEDs would be quite bright so can they be dimmed?

I'm using an array of 4-5W LEDs in my kitchen and it's plenty bright enough. Each of mine produces around 400-450 lumens and are on a pitch of about 900mm.