Technical tips for electricians.
Improving the odds on motor direction Would it not be great if you could get the motor direction right – first time – every time? No need to guess which direction the motor will run if you use a simple, yet effective, motor direction tester. This handy device will eliminate costly mistakes when you have …
http://skl.sh/1GMNWqx All you need is to copy the link above to your browser and it will take you to the course. Remember, there are only 15 free coupons available so please grab yours before they are all gone! There is also a bonus lecture that I am working on at the moment which will be …
15 Free Coupons to my course on basic Electrical Circuit DesignRead More »
This a very interesting problem that has been sent to me by one of our readers, so let’s take a look at what is happening here. Bear in mind, I do not have the exact details of the installation, so I will try and picture the installation from what is happening. To start off with, …
Single Phase Motor on Pump – Starts in Wrong DirectionRead More »
Welcome to another post from Sparkyhelp. Today we will look at one of the most common faults you may be called to on a domestic or commercial installation. The RCD (earth leakage device) keeps on tripping. This is a fairly common thing to happen, yet can keep you searching for hours, especially if it …
As Electricians, it is always a difficult question to answer. Should I specialise in a specific niche or not? The answer is not an easy one. You need to establish where you want to be working and as we all know, this seems to change pending a number of things like economic situation, company stability …
Hi everyone. Happy to be able to get back to our blog again and we will be kicking off with a very interesting topic: Installing an Earth Leakage or RCD to an existing control circuit. You have been tasked to install this device to the incoming side of the control circuit. There are a number …
Hi Everyone, After a long absence, we can now finally release some great news! SparkyHelp will be offering live online training sessions on a number of electrical and fault finding topics. We will be doing this in collaboration with PCE Training who offers a number of corporate training courses, Project Management as their flagship, but also including time management, motivation …
By Now you have most likely played with the Alpha Controllers a little. (remember, the software can be downloaded free from the Mitsubishi site). What we will do this time is to show you how to create your own user function. This is a very helpful tool as you can create your own functions and …
Time for us to take a look at another circuit. This time we will look at a very basic Plugging Control Circuit. What does the name mean? It is merely a circuit where we prevent rapid changing of direction of the motor. In other words, we want to prevent the operator from going in one …
When we look at a star/delta starter, there are some basic rules to follow. I know we have had a look at this type of starter before, but thought it might be worth doing it again to assist with fault finding tips. The first schematic shows how NOT to wire the circuit. You will notice …