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I am installing few Air-Conditioning (A/C) units in my home - cable length from A/C units to Consumer Unit (CU) range from 7m to 30m. The A/C units capacity range from 1.2KW to 1.9KW. I have used 2.5mm (singles: red, black, 1.5mm Earth) cables to run each A/C unit's 20A scoket direct, as...

Just bought a Generator with ATS but confused as to how to connect it to the house. I do understand the function of the ATS, but connecting the it seems unclear. The Genset has 4 wires (3 live and 1 neutral) the 3 live wires feeds into a Circuit Breaker (CB) before entering the ATS. The neutral...

In Nigeria, Electric current / voltage is unstable. Although 230V is the norm, but for some reason(s), a lot less than 230V is delivered to homes. What ever voltage that is delivered is unable to power a 0.5HP fridge. 60watt light bulb shines like a 20watt. Other occasions or just when you are...

We would need to buy a generator to power a house we intend to build in a remote island off Scotland. There will be no electric supply after the house is finished. Therefore, we would need a continuous run gen set to power the house. The electrical content of the house is estimated to be 65,000...

I have a shed and I am planning on installing a couple of lights (60watt each). I am drawing the supply from the main house. My Questing is: Do I need to draw earth as well even though I am only installing a lighting circuit? I was thinking that Live and Neutral will do for lighting circuits...

We are building a house in Nigeria and need to install cooling only units. Voltage in Nigeria is 230. Each aircon unit is from 1600 to 2200Watt. We need to install 14 air conditioning units. My questions are, 1) what cable size do I need to run this aircon units to the Distribution Panel (DP)-...