1. LED STRIP 3528 120 SMD/m WARM WHITE NON-WATERPROOF - WHITE BASE ( Optonica - ST4711)
Subtotal: £2.85

 

LED LIGHTING FAQs

  1. What is an LED?
  2. How long will my LED bulbs last?
  3. How do you measure the brightness of a light?
  4. Light colour temperature
  5. Are LEDs good for the environment? 
  6. Should I replace my halogens with LEDs? 
  7. Are LEDs safer to use than standard bulbs? 
  8. Are LEDs more cost effective than standard bulbs?
  9. Can I buy dimmable LED Bulbs?
  10. Do I need an LED transformer or driver?
  11. What is an IP Rating?
  12. Are LEDs suitable for outdoor use?

 

FAQs ABOUT V-TAC DIRECT SERVICES

  1. What forms of payment do you accept?
  2. Is online payment secure?
  3. How long does delivery take?
  4. The bulb that I ordered does not fit, what can I do?
  5. Returns policy for faulty lights


If your question is not answered in this section please e-mail your questions to info@vtacdirect.co.uk or call 01752 696 232  

 

LED LIGHTING FAQs

 

Q1: What is an LED?

Light-emitting diodes (LEDs) are the new type of low-energy lights: they use about a tenth of the electricity of an incandescent bulb and a quarter of the power required in a compact fluorescent light (CFL). LEDs last for thousands of hours, do not flicker, come on instantaneously and switching them off and on does not wear them out. LEDs come in a wide variety of shapes and sizes, including direct replacements for incandescents, strings and tube lights. They are often integrated into the fitting, so the fitting and the bulb are replaced together. Many of the latter have a precise beam angle, as the light is not as diffused as with some of the older bulb types.

LEDs can provide light in a variety of colours. Some are fixed (e.g. always a white/blue colouration), some can be provided in a range of colours within the same fitting, either automatically or with a remote control.

For the technically minded, an LED is a semi-conductor device that emits narrow-spectrum light when electrically charged. They are definitely a large part of the future of lighting technology. 

LEDs are improving by the week, getting cheaper and are probably a lot brighter than you might imagine. You do get what you pay for with LED technology: the cheapest LED lighting is only really useful for soft mood lighting and is unlikely to be as reliable and durable as the more expensive products. 

Using waterproof LED lighting for outdoor uses and around wet areas such as bathrooms and swimming pools provides a safe, low voltage method of providing illumination. Top

Q2: How long will LED bulbs last?

The lifespan of a bulb has to be shown on the box and is tested according to EU procedure. With many integrated fittings there is a manufacturer’s guarantee for the first couple of years. The new LEDs have a lifespan of around 20,000 hours, meaning that if you use it, on average, for 4 hours a day across the year, then it will last for nearly 14 years. To put this in comparison, the average lifespan of a halogen bulb is 3,000 hours, fluorescent bulbs 10,000 hours, and incandescent bulbs 1,200 hours. Top 

Q3: How do you measure the brightness of a light?

The level of light output is measured in lumens and lumens/Watt (lm/W), to indicate the brightness per unit of power input. This is known as the efficacy of the bulb: a measure of how well a light source produces visible light. The higher the number of lumens (luminous flux), the more light the source is emitting. The old incandescent lights had an efficacy of about 15 lm/W, whereas the best modern LEDs can be up to 150 lm/W. Top

Q4: Light colour temperature

Generally this is a matter of taste and is dependent on the environment as well as the context in which the light is being used. In the kitchen for example, a brighter light is necessary with a higher number of luminous flux and a cooler light (temperature 6000K) for a clean crisp light, whereas a bedroom would need less light and perhaps a warmer colour (temperature 3000K). The scale begins at 1800K (warm white), going through to 10000K (blue, cool light).

In offices and shops there is often a minimum or recommended level of lighting, measured in lumens per Watt (lm/W). Top

Q5: Are LEDs good for the environment? 

Using less electricity means that there are less emissions of carbon dioxide from power stations that burn fossil fuels to produce electricity. This is good for the environment and lessens our impact on the climate. Top

Q6: Should I replace halogens with LEDs? 

Definitely. LED bulbs can be used to replace halogen bulbs, in the same fittings. With 12v systems (MR16 bulbs) you may have to change the transformer, but with 240v bulbs (GU10 code) you do not need to. The LEDs quickly pay for themselves with reduced electricity and, because of their greater durability, you are not constantly purchasing replacement halogens. Less climbing on ladders is an added bonus!
Halogen lamps are band C and due to be phased out of the market over the next few years, progressively from 2018, so it is a good idea to start looking for more energy-efficient alternatives now. Top 

Q7: Are LEDs safer to use than standard bulbs? 

LEDs run at lower temperatures than other light sources as the heat is pulled away by the design of the heat sink at the base of the bulb, allowing it to dissipate into the air in order to keep the bulb cool.

LED bulbs contain no mercury or other hazardous chemicals. Top

Q8: Are LEDs more cost effective than standard bulbs?

LED technology uses around 90% less electricity than traditional bulbs, which is a huge reduction in energy consumption, this along with the very large life expectancy of each bulb saves money and the frequent need to replace them. Top  

Q9: Are LED bulbs dimmable?

Yes you can, this should be specified as not all the bulbs are dimmable. Top

Q10: Do I need an LED transformer or driver?

LED bulbs have been specifically designed to retrofit existing fittings, check the dimensions to make sure the product is the correct size and cap type for the fixture. It is necessary in some instances to change existing transformers as they will not be compatible with the lower wattage LEDs. An LED driver converts a higher voltage, alternating current to a lower voltage, direct current. The driver protects the LEDs from potential voltage or current fluctuations as too much or too little current can cause a variation in light output that raises the temperature within the LED, increasing degradation. Operating on a low-voltage DC power supply enables LEDs to be easily adapted to different power supplies and increases safety. Top  

Q11: What is an IP Rating?

IP stands for Ingress Protection – which indicates how well the fitting is protected. The first digit following the IP is to indicate how well the fitting is protected against solids such as dust. The higher the number, the greater the protection. The second digit indicates the level of protection against liquids. 0 is no protection, 8 is the maximum, capable of withstanding immersion into a specified depth of water. Top

Q12: Are LEDs suitable for outdoor use?

Yes, though you will have to look at the IP Rating to check if a specific product is suitable for use outside. There are IP rated motion sensors, dome lights, floodlights and street lights, among others. Top  

 

FAQs ABOUT V-TACDIRECT SERVICES

 

Q1:  What forms of payment do you accept? 

We accept all the major credit and debit cards including Visa, Mastercard, Switch, Solo and Meastro. Unfortunately we do not accept Visa Electron. We can also accept payment via paypal or cheque, but goods will not be sent until funds have cleared. Please contact us to pay by cheque/paypal.  Top  

Q2:  Is online payment secure?

Please see the Security page for details of our security policy. Top

Q3: How long does delivery take?

Have a look on the Delivery page for all things relating to delivery. Top

Q4: The bulb that I ordered does not fit, what can I do? 

It's your choice. You can either try to find another use for the bulb or return it to us and exchange it for a different model. Top

Q5: Returns policy for faulty lights? 

We recognize that our products can be damaged in transit. We try very hard to prevent this with careful packaging, but mistakes do happen. Please take a photo of the damaged packaging and products, as you received them, and return them to us within a week. We will then send you exact replacements. Similarly, should you find that your 8000-hour bulb has not lasted 6 months, we will replace it free of charge. Please always quote your invoice number when you return it.  Top 

FREE SHIPPING**

OVER £50 UK MAINLAND ONLY
UK STANDARD £5.99 UK Priority £12.99 EU DELIVERY £15.00
 
?>