A safety switch is essentially a device that very quickly switches-off the electricity in case any electrical fault is detected. In effect, it reduces the risk of injury & death caused by contact with electricity. Current day safety switches are very different from the ones used even up until a decade ago. Today, it’s mandatory to have these installed in buildings where any kind of electrical addition or upgrade has taken place.

Apart from this, safety switches are also needed for power outlets that that supply electricity to mobile homes like caravans etc. It’s not mandatory to have these safety switches in older homes; however, the recommendation is that you should consider getting them installed. It is one of the most effective ways to protect your family & yourself from electric shock.

ELCBs or Earth-leakage circuit breakers are safety devices used to prevent shock in electrical fixtures which have high Earth impedance. The current installations use the circuit breakers that directly detect leakage in current. Here are some features of an ELCB:

RCDs or RCCBs are essentially modern electrical wiring devices which quickly disconnect a circuit if they detect that there is an imbalance in the current between the energized conductor/s & the return conductor. They are designed to immediately switch-off the electricity supply when the electricity leaking to earth is detected to be at harmful levels. These devices offer very high levels of protection from electric shock.

Voltage Earth-leakage circuit breakers were first introduced around 60 years ago, while the current ELCBs were launched only around 40 years ago. For a very long time, voltage-operated ELCBs & differential current-operated ELCBs were both called ELCBs; this was because it was a far easier term to remember. However, as expected, this common name caused a significant amount of confusion within the electrical industry.

If someone accidently used the wrong one in a particular application, the installations may not get the kind of protection it needed. It was to eliminate this confusion that the International Electrotechnical Commission decided that the differential current-operated ELCBs will be termed as RCD (residual current devices). Any current that’s over & above the load current is referred to as the residual current.

ELCBs have a number of disadvantages such as:

Today the RCD is preferred means of providing effective shock protection. The term is also most widely used across the globe.

For more information about RCDs and the best electrical solutions, call Allround Electrical at 1300 169 263. You can also write to us at this email address. You may also reach us through this online contact form.

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CaseStudy Design, has become locally popular for their unique light fixtures that are made out of … wait for it … books! If you’re as surprised as I was when I first learned about CaseStudy Design and its owner/founder/designer Chall Gray, who are engaged in the practice of upcycling old things like books into lovely light fixtures, then read on for an interesting interview with a book-lover turned lamp designer.

1. Hello, Chall, and thanks for talking with me. First, can you tell me a little about your background and upbringing?

I’m a native of western North Carolina, and grew up on a farm out in the country. Design was something that gradually became more and more central to my life and predilections the older I’ve gotten.

2. So you’ve grown up surrounded by upcyclable things. That makes me wonder: Why books? Why not make lamps out of tissue boxes, skulls, or aluminum cans?

4. What are your goals with Case Study Design? What does the future look like?

I currently work full-time as VP at Thirsty Monk, where we have a series of beer and cocktail bars and a brewery, so I’m only able to devote so much time to CaseStudy, but it’s a central passion of my life, and luckily production doesn’t depend on my schedule because our Production Manager crafts the lights in our shop in West Asheville. As of this week our lights will be on display in Downtown Books & News, a great used bookstore in downtown Asheville, and we’re also working on a design collaboration with a local audio company on a set of home speakers, actually, which is a fun side-project. I’d love to grow the business to having a larger retail presence over the next couple of years, but really, we’re having a blast just designing and building lights.

6. Who are some of your favorite designers, lighting or otherwise?

My influences are pretty varied, but a few touchstones are the architect Tom Kundig, whose work I go back to time and time again, the shoe designer John Fluevog, and watchmaker George Daniels. The great modernists of the 20th Century, Frank Lloyd Wright, Saarinen, Eames, etc. And in terms of lighting, Ingo Maurer and Ilse Crawford immediately spring to mind.

Conclusion: Chall Gray and his CaseStudy Design Firm are doing impressive things with upcycled materials and here!