The G&G Blog

When working on control panels, it's important to check compliance to reduce the risk of the panel failing, including the risk of...

What size capacitors does my pump need? Do I need to install capacitors in the panel? You're in the right place to find out. Capacitor...

We recently had the privilege of speaking to Daniel Challans, the Head of Sales and Marketing for Direct Pumps & Tanks where we spoke...

There are many electric motor applications where an inverter (or variable speed drive/VSD) is better than fixed speed/direct on line,...

It’s common to have a transformer in a control panel, but what exactly are transformers, how do they work, and what are the different...

(at least, in our panels) The usual solution for earthing in a control panel is an earth block. Less commonly there may be an earth stud...

Every electrical engineer has needed to find out the full load current of a motor at one time or another, often to check what to set the...

The humble relay in control panels is probably the component you're most likely to have worked with. But it's surprising how often some...

This is the isolator on a control panel: Specifically, it's a Socomec one. You turn it off to cut power to the panel. So far so good....

Do control panel enclosures need to be metal? The law.

Remote monitoring for pump control panels is massively in demand but no one has mastered it yet. Surely it can't be that hard! You can...

Thermal overloads are an important part of motor protection. When too much current passes through the overload it changes the state of...

Let's give this some context. You're a pump engineer and you've been called out to a standard float-controlled wastewater pump station...

The question of whether having your own panel shop would save money is worth exploring. Firstly, it’s important to consider whether it...

Screw terminals should be done up to a specific torque given by the manufacturer. Fires are caused by screw terminals that aren’t...

What are the IEC symbols for frequency regulating products such as IRF filters and EMI filters.

Every pump engineer up and down the country has replaced a stepping relay in a control panel. It's basically a rite of passage - you're...