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Generator danger
Despite the growing trend towards self generation, a number of dangers lurk for the electrically independent.
from women24
Image: Ablestock
Most people experiencing the daily horror of power cuts envy those with the foresight or ready cash to buy generators. However, according to Gari Dombo, (MD of Alexander Forbes Insurance) "Generators emit poisonous gas and pose fire, explosion and electrocution risks."

Petrol or diesel motors produce carbon monoxide gas. Carbon monoxide is invisible and odourless. It is heavier than air, can travel long distances and will linger in confined or inadequately ventilated spaces. Known as the silent killer, it is extremely poisonous and kills in minutes.

As such Dombo warns, "Never use a portable generator inside a home, garage, shed or other partially enclosed space. Even using a fan, or opening windows and doors is not enough to prevent carbon monoxide build-up."

Instead generators should be used in the open, only covered by a roof. They should certainly not be near any of the doors, windows or vents of your home or business. Dombo also suggests that people, "Install CO alarms with battery backup in their homes or offices outside each sleeping or working area."

Furthermore, liquid fuels like petrol or diesel give off vapours heavier than air that can travel long distances and will linger in confined or inadequately ventilated spaces. These vapours are flammable and can explode under certain conditions.

Fires involving flammable liquids spread rapidly and are difficult to extinguish as it is the highly mobile vapour mixing with air that burns, not the liquid. National Building Regulations identify three classes of flammable liquids differentiated by the temperature at which their vapours ignite.

Dombo says, "You are legally allowed to store up to 40 litres of petrol (Class 1) or 200 litres of diesel (Class 11) on household premises without special storage arrangements. If you need to keep more fuel consult your local fire department to see what additional storage facilities and precautions you require to safely store these fuels."

And that's not all, connecting your generator to your home or business's electrical wiring system poses a number of threats if not properly done.

Dombo suggests people use a qualified electrical engineer or contractor to evaluate their house or business's electrical system for proper grounding and polarity – and then ensure that the correct professionals do the electrical installation.

"As a minimum this will require adding a generator transfer switch plus making wiring changes in your distribution board", says Dombo.

And when this is done ask for a Certificate of Compliance. This should be issued by an accredited person ensuring that the installation complies with electrical regulations.

Generators should also be kept dry and only touched with dry hands. If generators do get wet they should not be used.

Dombo concludes that, "Poisonous gases, flammable fuels and generators can kill. Their producers are compelled by law to provide comprehensive precautions and handling instructions.

Therefore reading the instructions that come with these substances and equipment is not optional; it is compulsory. If ignored it could make you responsible for some dire consequences."

Do you own a generator? Share your experiences in the comment box below.


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I've had a generator for the 7 years, here in Maputo. Luckily we don't suffer quite the incompetence you guys are suffering in SA, but in the rainy season we do have some power failures. To date we have had no problems, although we do have the machine outside under a roof ( structure has no sides.) and we have it serviced twice a year. Use the artickle as a guide line and you should'nt have any hassles but noise.
Craig on 18 Mar at 11:43

 

Yes, and if you cut off your hand it will be gone...sorry, i thought we where pointing out pointless information... Seriously, petrol is a poison... wow i didnt know this, and ive been drinking it for years... sigh what a waste of an article.
fuzzy on 18 Mar at 12:00

 

Every day, we all climb into our cars. They also pose a risk - probably much higher than that of a properly used generator. They also use explosive fuel and produce deadly CO gas. Their ignition also works with high voltages (much higher than the 240V generator). Not to mention all the other idiots on the roads. I don't see Alexander Forbes issuing warnings about cars...
Mark R on 18 Mar at 12:25

 

it seems to me as if you are trying to talk people out of buying generators. Well with the incompetence of Eskom and Govt trying to cover it up all the time, we have no choice. We do use it responsibly and know about the dangers thereof, it is like making a fire in your home, don't do it!
Jeff on 18 Mar at 12:29

 

I have a generator and I like the idea of a CO Alarm. How much do thye cost and where can I buy one?
Trevor on 18 Mar at 12:53

 

I am the sales adn marketing director of a new South African Company called Generac power systems we have been in the United States of America since 1958 and have the largest manufacturing plants in the world we also currently hold over 90% of the American residential market. I would like to mention that our generators do not have any emmissions and are 100% eco fiendly as we do not utilise a synthetic fuel such as petrol or diesel. we have also been doing extensive work with Carte Blanche to the dangers of Generators as well as the advantages of Gas:
Dwight Anderson on 18 Mar at 15:02

 

This is probably one of the most useless info articles written sorry
Graham on 18 Mar at 15:40

 

No Sh*t! Are you a UPS salesman?? I guess we can say the same about cars, but that comes with a users manual....right? Further....tranfer switches is not regulated (no regulations in place) by municipal councils, so the certificate is not worth the paper it's written on.....what does it have to comply to? This is still a very grey area and far...far away from formalisation taking the trent of current priorities.
Leon on 18 Mar at 16:54

 

And thousands of people don't realise this nor understand the implications. Don't be such wise guys & appreciate that some people need educating on these dangers. Well done & taking the forethought to write such an article. Take most of the comments here with the same contempt they display. Shame on them. Good for you.
Pat on 18 Mar at 18:06

 

Hey! Maybe us ladies (who the article was intended for) don't find it as completely useless as you think...;-)
Liz on 18 Mar at 18:13

 


 
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