LED lighting vs incandescent

Have you ever been curious about the differences between LED lighting and incandescent lighting? In this post, I will be going through the differences between both of these forms of lightings and which ones I believe are better.

What is an incandescent light?

These are your classic light bulbs, the way they produce light is through heating a wire filament to a temperature that results in the generation of light. The metal wire is surrounded by a glass bulb that is either filled with an inert gas or is a vacuum. The benefits of this type of lighting are that they are cheap to manufacture, they are cheap and they are also the standard in most houses and are widely available. This is about where the pro’s stop, however, incandescent lighting is terribly inefficient. They have the worst energy efficiency rating on the market at 10 lumens per watt usage. It loses a majority of its energy to heat. They also have to worst lifespan for any type of lighting on the market!

LED lighting:

LED stands for light emitting diode, a diode is an electric device that has two electrodes which have electricity running through them when current passes through the semiconductor material the device emits visible light! Now it’s going to turn one-sided pretty quickly here, the pros of LED lightning pretty significantly outweigh the pros of traditional incandescent lighting.

  • The lifespan of an LED light is substantially better than an incandescent, actually, they have the longest lifespan of all the different lighting types. Amazingly LED’s can have a lifespan of up to 100000 hours which is a great deal more than the ~1200 hours of a standard light bulb.
  • Efficiency wise, LED’s are on another level as well, they are extremely energy efficient. This is also in comparison to all other types of lighting on the market, they are so efficient because they lose very little of their energy to heat and because they emit their light over 180 degrees rather than 360 which reduces the amount of losses from redirecting or reflecting light.
  • LED lighting has little to no maintenance cost
  • The light generated from LED’s is very high quality.
  • There is a bunch more minor pros also. LED lighting can produce a wide range of colours, they are really good for lighting up certain areas because they emit naturally directional light, they are also quite small and have a faster switching period ( no warming up required)

So by now, you are probably thinking… why would I ever bother with incandescent lighting? Well, the reason for that is, cost. It is significantly cheaper to buy and set up other forms of lighting. The setup costs of setting up a LED lighting setup are generally much higher, however, the cost of LED lighting is dropping pretty consistently so in the future it may be the lighting choice of everyone.

Outdoor lighting idea – String lights

This is just a short post about a video I saw while I was scrolling through my Youtube feed while looking for inspiration for the outdoor lighting at my home, I stumbled across this video and I thought the people at McKay Landscape Lighting did a brilliant job with it. The video is a nice short timlapse of them installing some string lighting. I hadn’t really thought of this for my backyard but I think the way they have done it is really beautiful and it would suit my backyard to a T. Have a look at the video and see what I am talking about.

That looks really nice doesn’t it? It was really interesting to watch how they achieved this simple yet beautiful style. You can tell the tradesmen are very good at what they do and are efficient in their work. The back yard really came together with that nice lighting looking out over their view. What a beautiful setting in general at the house also. I think this type of lighting is super versatile also and you could probably fit it into almost any outdoor sitting area. If you want a similar look you could talk to a lighting landscape specalist in you area.

Residual Current Device – RCD’s

Residual Current Device & How It Will Save Your Life!

What is it?

An RCD is a safety device that has become an electrical standard in the United States and around the world. The RCD is designed to protect you from any stray currents that would otherwise pass through you, to ground from a faulty component or wiring. As little as 30mA is enough to kill a human in the wrong circumstances, so RCD’s need to be correctly installed and verified for operation from time to time. Any new installation, commercial or residential must have RCD’s installed and any older installation must have the circuits modified to contain them.

How Does it Work?

Other common circuit protection devices such as fuses and Miniature Circuit Breakers, MCB’s, generally only protect circuit components and cabling from damage during an overload. In general, the current flowing from the active, through the components and returning via the neutral will be the same. The RCD will monitor the current flow between the active and the neutral and if a slight change occurs it will trip the power immediately.

Inside the RCD is a ferromagnetic core that has both the active and neutral wires spiralled around it. In a normal situation when both currents are equal they will both produce a similar magnetic field. The wires are turned around the ferromagnetic core so that the current flows in opposite directions, therefore, the magnetic fields will oppose each other and cancel out. In the case a human is exposed to a live circuit, downstream of the RCD, then the magnetic field will change and this, in turn, will trip the continuity of the circuit.

The process to trip the RCD is by a 3rd winding around the ferromagnetic core, when the magnetic field becomes polarised in a certain direction, current will flow in this coil. The coil will then pull a set of switches that open the circuit, removing the power.

When They Won’t Work.

RCD’s have limitations and all have different specifications. It is important to check what RCD’s are installed in your circuits at your home or business. Some RCD’s are only designed to protect in the event of a fire and are not sensitive enough to protect from an electric shock. An RCD rated to trip ~30mA is required to protect a human from electric shock. If a person is to touch both the active and neutral wires at the same time then the current will remain the same and then RCD will not detect a change in magnetic field.

How To Test RCD’s?

While most RCD’s do have test buttons built in, the main tripping coil circuit is not correctly tested. A specialised tool is required for testing. Most electricians have the capability to test RCD’s that may be present in your electrical circuits. According to the National Electrical Code RCD’s & Ground Fault Circuit Interrupters, GFCI’s, requires testing every 12 months to remain compliant. If you are unsure if your RCD’s will work call your local electrician far peace of mind.

Lighting- Warm or Cool?

What Colour Temperature Do I Use For Lighting?

Asking “Warm light or cool light, for my room?” is fundamentally the same as asking “What colour shirt should I wear today?”

There truly is no correct answer, it for the most part, boils down to individual’s inclination. Furthermore, you could literally go through types of lights for many hours; for example, the kind of fitting, cost, lumens, brand, and warranty, while somewhere at the bottom of the varying list, the temperature of the light.

All things considered, shading temperature can noticeably affect the vibe of a space and on the off chance that you need to pick one or the other, it would be nice to be able to comprehend what it’s all about. Here are a couple of tips to enable you to settle on an informed decision.

Lighting “temperature” is a very different to the normal understanding of temperature.

This can become confusing.

The higher up the Kelvin Scale the light temperature, the cooler the lighting effect and vice versa.

The inverse relationship of this colour to the Kelvin could be that a candle or a fire has a lower representation when compared to a burning phosphorus or other white hot examples.

Note that an advantage of LED lighting is that it creates far less waste warmth than other lighting does, regardless of the shading temperature.

 

While picking a shading temperature, numbers matter.

Shading temperature is generally communicated as a four digit number in the unit kelvin, utilizing the image K, for instance “3000K” or “6500K”.

When buying a bulb you may see words like, “warm white”, “cool white” or “sunlight” to separate between their items. There is no industry standard for these expressions, it’s essential not to depend on them too absolutely. One brand’s 5000K could be depicted as “sunlight”, while another brand’s globe could be portrayed as “cool white”. Indeed, they may even be some variety inside one brand’s distinctive items.

So with that in mind, you are much better off making a decision based off the Kelvin Scale (K) rather than the descriptive guides. If you are unable to find the K number, contact the manufacturer because in certain circumstances it can be crucial.

 

Learn The Global Lighting Temperature Scale

We’ve probably all seen a code like, “830” or “965”. This is regularly on the case with LED or Fluro Tubes, etc. These codes just consolidate two lighting detail into one – that of light colour and temperature.

The main number alludes to colour:

  • 8 = shading rendering index Ra 80 – 89
  • 9 = shading rendering index Ra 90 – 100

The second and third numbers are for temperature:

  • 27 = 2700K
  • 30 = 3000K
  • 40 = 4000K
  • 50 = 5000K
  • 65 = 6500K

By and large, “warm” is viewed as natural light, while “cool” is viewed as useful and industrial. These decisions can be important when you are attempting to create a certain atmosphere. Red can  be for enthusiasm, Blue for calming, Green to relax, etc.Warm Lighting Example

Low colour temperature give off a soft red/orange glow and are thought to be “warm”, it represents an old rustic candle feeling. Ideal areas for this lighting is, bistros, eateries and bedrooms.

Cool lighting Example

High level colour lighting is often given the term “cool”. Light up and around 5500K will be useful when you need to flood an area for work purposes or in a meeting room. When you are looking for more bright light for area flooding it is best to look at lumens rather than Kelvin scale.

Final Decision

It really comes down to personal preference but it is important to know when you are trying to set the mood.

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