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Customer Service - Lighting Related Questions
Frequently asked questions about lighting
- What is an IP value?
- Do I choose a 12V lamp or a 230V lamp?
- Which power transformer should I choose?
- What type of transformer: electronic or wrapped?
IP stands for Ingress Protection, this is the level of protection given to electric objects against the ingress of moisture and solid objects.
The first digit shows the degree of protection against dust. The second digit shows the protection against water. Luminaires for indoor use have an IP degree starting from IP20 . Outdoor lighting fittings have an IP degree starting from IP44.
The choice for 12V or 230V lamps depends on the fittings that you wish to use. If you have still have the choice between 12V and 230V fittings, please take into account the following information:
> 12V lamps have more options in wattage and beam angle compared to 230V versions.
> 12V lamps will last longer than 230V lamps.
> 12V lamps have a brighter light which remains the same when dimming.
> 12 V lamps need a transformer (230V-12V), whereas 230V lamps can be connected directly to 230V.
The type of transformer (electronic or wrapped) depends on the distance between lamp and transformer. Electronic transformers can be installed up to 1.9 meters distance. Wrapped transformers can be installed at longer distances (depending on wattage and cable thickness).
> The biggest advantage is that you don’t need an additional transformer.
> 230V lamps have a warmer (yellowish) light which becomes more orange when dimmed.
> Opportunity to use compact fluorescent bulbs
> The lifetime of these bulbs is shorter compared to 12V
The right choice of (power) transformer depends on the wattage of the lamps you want to install.
Make the sum of the wattage of the lamps to know the total wattage. Now that you know the total wattage you can choose your transformer accordingly. Choose your transformer as close as possible to the total wattage of the lamps but make sure that the wattage of the transformer is the same or slightly higher than the total wattage of the lamps.
The choice between these two transformers depends on your type of installation and your preferences. Please take into account the following in order to make the right choice:
> Light and easy to handle
> Installation close to the spots/bulbs.
> Need to be installed close to the spot (at a maximum distance of 1.80 meters)
Wrapped (conventional) transformers:
> These transformers can be installed at a larger distance from the spots (this distance depends on the power consumption and the cable thickness)
> Since they are bigger and heavy they will need more space to install
> They warm up so they need appropriate cooling