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FAQ

Lamps
Q: Are lamps included with fittings?

A: No lamps are included with fittings unless clearly indicated that they are included.

Q: Do light bulbs (such as compact fluorescent bulbs) give off hazardous amounts of ultraviolet (UV) light?

A: Regular fluorescent light bulbs used in your home and office do not produce a hazardous amount of ultraviolet light (UV). Most light sources, including fluorescent bulbs, emit a small amount of UV, but the UV produced by fluorescent light bulbs is far less than the amount produced by natural daylight. (Ultraviolet light rays are the light wavelengths that can cause sunburn and skin damage.)

Q: How much heat (or infrared radiation) is emitted by regular, halogen, and compact fluorescent light bulbs?

A: Regular light bulbs, known as incandescent bulbs, create light by heating a filament inside the bulb; the heat makes the filament white-hot, producing the light that you see. Halogen light bulbs create light through the same method. Because incandescent and halogen bulbs create light through heat, about 90% of the energy they emit is in the form of heat (also called infrared radiation). To reduce the heat emitted by regular incandescent and halogen light bulbs, use a lower watt bulb (like 60 watts instead of 100).

Fluorescent light bulbs use an entirely different method to create light. Both compact fluorescent bulbs and fluorescent tubes contain a gas that, when excited by electricity, hits a coating inside the fluorescent bulb and emits light. (This makes them far more energy-efficient than regular incandescent bulbs.) The fluorescent bulbs used in your home emit only around 30% of the heat of their equivalent incandescent bulb, making them far cooler.

Q: How does a compact fluorescent light bulb work?

A: Fluorescent light bulbs (including compact fluorescents) are more energy-efficient than regular bulbs because of the different method they use to produce light. Regular bulbs (also known as incandescent bulbs) create light by heating a filament inside the bulb; the heat makes the filament white-hot, producing the light that you see. A lot of the energy used to create the heat that lights an incandescent bulb is wasted. A fluorescent bulb, on the other hand, contains a gas that produces invisible ultraviolet light (UV) when the gas is excited by electricity. The UV light hits the white coating inside the fluorescent bulb and the coating changes it into light you can see. Because flu orescent bulbs don't use heat to create light, they are far more energy-efficient than regular incandescent bulbs.

Q: What is the white powder I see inside my fluorescent bulb?

A: The white powder that you see inside a fluorescent lamp is called phosphor, which is a substance that emits white, visible light whenever it absorbs light waves. Both c ompact fluorescent bulbs and fluorescent tubes contain a gas that gives off invisible light when excited by electricity. This invisible light travels to the phosphor coating on the bulb, where it is transformed into light visible to the human eye.

Q: What should I do if a CFL breaks?

A: Because there is such a small amount of mercury in CFLs, your greatest risk if a bulb breaks is getting cut from glass shards. Research indicates that there is no immediate health risk to you or your family should a bulb break and it's cleaned up properly. You can minimize any risks by following these proper clean-up and disposal guidelines:

Sweep up—don't vacuum—all of the glass fragments and fine particles. Place broken pieces in a sealed plastic bag and wipe the area with a damp paper towel to pick up any stray shards of glass or fine particles. Put the used towel in the plastic bag as well.If weather permits, open windows to allow the room to ventilate.

Q: Do the Square Lamps give out the same amount of Light as a Standard MR16 Lamp?

A: No, due to the design of the reflector, the light output may be reduced.

Transformers
Q: Do all spotlights need transformers?

A: No, only low voltage spotlights require low voltage transformers.

Q: How many 50W lamps can I use with a 150VA Transformer?

A: The calculation for any question like this is to divide 150VA by 50W, the whole number that you get is the most lamps you can fit on that transformer. In this case the a nswer is 3

Q: How many 50W lamps can I use with a 60VA Transformer?

A: The calculation for any question like this is to divide 60VA by 50W, the whole number that you get is the most lamps you can fit on that transformer. In this case the answer is 1.

Q: I have a transformer with 3 pairs of output terminals but I have 4 light fittings. Can I connect these 4 fittings onto the one transformer or do I have to get another transformer ?

A: You can connect all 4 onto one transformer providing the total wattage does not exceed the transformer rating, you can connect more than one fitting to a single pair of terminals providing the total load does not exceed 105W/VA on that pair of terminals.

Q: Are your transformers approved to be used with Lutron dimming systems?

A: Many do - Lutron offer a compatibility listing of transformers for their different dimming systems. Please refer to Lutron.

Q: What is the maximum distance I can put my low voltage downlight from the transformer?

A: 2 meters. When we say 2 meters - that refers to the cable length from the transformer to the lamp.

Q: Are Aurora transformers leading and trailing edge?

A: All our transformers are leading edge design but have the ability to work on most trailing edge dimming systems

Fire Rated
Q: Can I fit accessories to fire rated downlights?

A: Yes, but not the recess baffle accessory.

Q: Do all spotlights have to have a firehood?

A: Only if the surface you are installing your downlights into is deemed to be a fire barrier, and you have space above which is occupied by people, then yes, you either need to install a firehood, or install a fire rated downlight.

Q: Where am I required to use fire rated downlights?

A: Only if the surface you are installing your downlights into is deemed to be a fire barrier, and you have space above which is occupied by people, then yes, you either need to install a firehood, or install a fire rated downlight. For further clarification please refer to your local building control authority

Light Fittings
Q: Can you change from Low Voltage to mains on the new fire rated products?

A: No

Q: Do all fittings in Bathroom have to be Low Voltage - eg 12V not 240V?

A: No. However please refer to the IP Ratings information page or a qualified electrician.

Q: How much clearance space do I need around my downlight?

A: All Aurora's downlights require at lease a 50mm clearance all around the fitting. If insulation is present, do not push it back to create the space - you must CUT it back, otherwise the insulation will creep back in time. If you are using a transformer, do not cover it.

Switches & Sockets

Lighting Circuits: This is the most common of all lighting circuitry, and the cables simply 'loop' in and out of each light fitting. Two way switchting: This is a typical way of controlling lighting in stairwells.