Browse Forums Lighting + Lighting Design 1 Apr 10, 2009 4:44 pm Hi All, i posted this in the lighting thread earlier in the week & didn't get any comments so i wonder if anyone has put these in a new house? i'm just getting to lights in our O/B shack, i'm a very senior in age member of forum & can help others on most structural matters, but my wifes requirements for new look lighting has me floundering! after i said no "little d/lites" she has come home with details of a larger looking Nelson CF 240V D/lite $24.50 + GST which has a 120mm opening (fits 110mm opening). the lite chap said these r now the lights - had a pallet of them on the floor for sale - hmmm good lites or hard sell?? if anyone has used these can u please tell me what area they will light off a 2.7 ceiling. the room we would use them in is a family room 7.5 x7.6, with flat ceiling out 1.500m from wall then rises to a cathederal ceiling - i would put them on the outer edge of the flat ceiling just b4 it rises to the cathederal.( sorry can't print plan or pics, i'net too slow out here) we also will have 3 spot lites in the room for lighting specific features. i looked up a few sites & recon that each lite may do 9 sqm so i thought 6 might give reasonanble lite - but i'm not convinced..... can anyone give me a bit of help here - thanxs tony Re: Anyone used Nelson CFL 240V D/lites @ around $24.50 + GST ? 2Apr 10, 2009 5:34 pm How many watts are the lights? I wouldn't be concerned with veiling heights. I don't think it makes much difference in the light level as long as your walls are light coloured. Demolition August 2009, Construction Started September 2009, Completed December 2010 Re: Anyone used Nelson CFL 240V D/lites @ around $24.50 + GST ? 3Apr 10, 2009 11:45 pm hi Casa2 from memory the fitting could take a range of CF globes i think 9,11,15 watts - we have those new energy saving (10,000 life hrs) that r 10 watt (claimed to equal old 50w) that we've replace our old style globes, but i would have thought the cf globes would be even more effieicent? i'm sorry but i just don't get this idea of concentrated downlites - shop chap said these were way ahead of little 50/60mm opening ones that u have every meter or so that were 12volt? at present we have a room thats 7mX4.5m and that has a fitting with 4 X 10w energy saving globes that r in an "exposed" fitting & give good lite. i feel that the nature of down lites restricts the area of light, but as u say the room is to be painted almost white ( slight off white shades) as we have triangular glass panels in the top of the catherdal and want that lite reflected around the room in daylite hrs. another shop i went to had 110mm 240 volt down lights with no cover or defuser, these took ordinary energy saver globes not CF's & these fittings were only $15... so whats the benefit of compact flouros over the low watt energy savers? thanxs for response tony Re: Anyone used Nelson CFL 240V D/lites @ around $24.50 + GST ? 4Apr 11, 2009 1:05 am T&V, A bit of terminology first. Compact Fluorescent Lights (CFLs) come in many sizes. There are those that are roughly the size of a conventional light bulbs. Then there are those that replace 50W halogen downlights. The 11W GU10 bulbs are claimed to replace a 50W halogen, but they are way down in light level. It should also be noted that an 11W "standard size" CFL is much brighter than a GU10 11W CFL. It's just oo hard to get the same level of efficiency in such a small size. Now, a 50W halogen downlight will cover about 4 m2. So if you have a 7.5 x 7.6 m room, you'll need about 14 50W halogen bulbs. The rule-of-thumb is to put them in a grid 1 metre in from the wall an then every 2 metres. Now, if you use a GU10 CFL, you'll need more. Much more and I don't particularly like them. I prefer to put in 11W larger downlights (like the Nelson) offering. Better still, a 13W would be more like it. I also like the R63 or R80 CFLs. These, as the same suggest, are 63 mm in diameter and 80 mm in diameter, respectively. Again, go for about 13W to be still able to use a 1 metre in then 2 metes grid spacing (1 light for every 4 square meters). Hope this helps (and makes sense). Cheers, Casa Demolition August 2009, Construction Started September 2009, Completed December 2010 Re: Anyone used Nelson CFL 240V D/lites @ around $24.50 + GST ? 5Apr 11, 2009 7:59 am The rental house im in has R80 (reflective) CFL lights throughout and they are great http://lightingpro.com.au/catalog/produ ... cts_id=388 http://www.crompton.com.au/uploads/Ligh ... ochure.pdf They have a mirror backing and put out some punch, we're running the 15w models and love them so much we're running with them in the house we're building In the family area of this house which would be roughly 7x4.5 we have 4 of them Blog - http://snakedr.blogspot.com/ Build Thread - viewtopic.php?f=31&t=12084&p=307406#p307406 Status - PCI 15/10. Things nearly done. Re: Anyone used Nelson CFL 240V D/lites @ around $24.50 + GST ? 7Apr 12, 2009 7:20 pm Hi Casa & Billdls,thanx u for all this good advice. yes the 120mm 240v Nelson d/lite has a mirror on the base of the holder, the bulb or globe sits in sideways. we don't want dimmers, but will put in a few separate switches to vary the light around the room. what i'm still having problems understanding is what "type" of bulb or globe r these 10w, 15w slimline and 8w mini spirals that u can plug into a normal lite fitting, nowhere on the packets do they mention the word "compact fluro" and if these r fluros, why don't they need starters? the globe or bulb in the 240v Nelsoin says it is a cf bulb, & by the look of it there is a small box that fits on the side of the fitting which looks to me like a fluro starter? again thanxs for patience & advice - cheers tony Re: Anyone used Nelson CFL 240V D/lites @ around $24.50 + GST ? 8Apr 12, 2009 8:21 pm yer as for bulb types im no help, its very confusing, even when trying to find replacement bulbs i had a lot of trouble the type in this house are just the standard screw in sized unit, in a 15w mirrored model, i think you can buy the units off the shelf as requried, from looking at nelsons products i dont think have a 15w model so maybe look at alternate brands, tim or blahblah as he is named here, may be able to help you with some better info, he's the electrical guru Blog - http://snakedr.blogspot.com/ Build Thread - viewtopic.php?f=31&t=12084&p=307406#p307406 Status - PCI 15/10. Things nearly done. Re: Anyone used Nelson CFL 240V D/lites @ around $24.50 + GST ? 9Apr 12, 2009 10:14 pm T&V, Compact Fluorescent Lights (CFLS) have the "starter and ballast" all built into the one bulb. Actually, it's all done electronically, but in the end what used to be a fluorescent tube + starter + ballast is now replaced with a single unit (CFL). You can tell if the bulb is a CFL since the box will tell you that it's equivalent to a particular incandescent (normal) light bulb. For instance, a 13W CFL will say it's equivalent to a 75W light bulb (or something near 75W). Another hint is that anything below 25W is likely a CFL since an under 25W incandescent would be virtually useless for room lighting. Hope this helps. Cheers, Casa Demolition August 2009, Construction Started September 2009, Completed December 2010 As title suggests, looking at using the interlocking Pentablock stacked stone products to replace failing timber retaining… 0 17878 You’re on the right track, wire brush in a grinder then a zinc rich epoxy primer then a top coat of some sort, like a waterproofing membrane. Raising the concrete would… 1 7034 |