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Microwaves dangerous, anyone not have one?

170 replies

shael · 10/05/2022 15:49

So I know people will reply to this thread and say they are perfectly safe etc etc

However, we have a 10 year old Bosch one that has been playing up for a couple of years but it's mainly just the display. We got out BG today and the man tested it and said you cannot use it any more it's dangerous.

The reading he got was 9.0. Apparently anything over 5 is bad.

Interestingly, we also had a freestanding one in our utility that is hardly used. That also had a dangerous reading.

The man said that after after 4 or 5 years they can start leaking microwaves.

The thing is, if you look up the possible effects of microwave radiation even from a low level consumer appliance it's not pleasant.

I'm shocked that there is no requirement to have these things tested. There must be millions of people out there who have dangerous microwave ovens. I know so many people with cancer and I feel stupid for not getting it checked sooner especially as we have young kids around.

I'm seriously tempted to not replace it.
Does anyone already do this?

OP posts:
NeverDropYourMooncup · 10/05/2022 23:31

chisanunian · 10/05/2022 23:22

Don't want to worry you OP, but did you know that bananas are radioactive?

And wait 'till she hears about granite worktops...

Searchingsound · 10/05/2022 23:41

@ButtockUp just wait till you hear that you can steam vegetables in a microwave…🥱🫤

R00K · 10/05/2022 23:51

Malbecfan · 10/05/2022 21:45

My 1st microwave lasted 30 years, then died. Now I'm using one DH bought for MiL but she was too decrepit to use it. My dad has one that dates back to the early 1980s that still works fine.

As I'm married to an electronics expert with scientist DDs, I'm intrigued as to what the BG man was measuring. A reading of more than 5 what is dangerous? Watts, Hertz, Whizzos? Sounds like a load of baloney to me.

One of my cousins has a thing about microwaves. She bangs on about how bad they are for you blah blah. DH and the DDs replied as a PP did here, talking about the electro-magnetic spectrum and the wavelength of the microwaves. I keep mine clean and aired out. My aunt, mother of fruit-loop cousin, spouts the same tosh but is not averse to using her microwave for emergency defrosting when it suits.

I'm guessing that the BG man was referring to the amount of meals in the microwave at once. I'd assume heating 5 meals at the same time is a bit iffy, but 9???

On another note, I think you can get a Nissan Micra Wave for less than a BG man callout and it's radiation free!

Fizbosshoes · 11/05/2022 00:13

haven't RTFT but we use our microwave almost every day for cooking porridge, baked beans, starting off jacket potatoes (i put in the oven for 10 min to get crispy skin) heating leftovers, boiling poatoes, making custard etc etc

Ive never had a british gas man visit before so no warnings here.
Current microwave is probably about 4 or 5 years old.

Tomikka · 11/05/2022 00:16

shael · 10/05/2022 20:13

I just am completely confused.
The British Gas man said they are issued with microwave testers every year. He said if it detects more than 5, the microwave is dangerous.

Is this just total lies then?

The testing of microwaves is real. He has not lied that there are testers and that a leakage greater than 5 milliwatts per square centimetre

But he hasn’t told you what a normal level
is - should you have zero leakage, or a very small fraction etc and do they detect many (or any) dangerous domestic microwaves?

Microwave leakage detection is conducted in business environments where the employer is responsible for the safety of staff and any members of the public.
Did he also tell you that you should conduct a risk assessment for cooking in your kitchen and to also implement safe cooking processes to mitigate the risk? An employer would need to but you don’t have to at home

If you keep your microwave clean, keep an eye on its condition and don’t break the door, seal or lock then the chances are it is perfectly fine and not leaking

Tomikka · 11/05/2022 00:28

YorkshireDude · 10/05/2022 22:59

I did wonder if it might have been a PAT test rather than a microwave leakage test.

Where I used to work, I was supplied with a brand new PC to do my work. After two years the PC was PAT tested, and the power cord failed the test. The person who did the PAT test told me that they get quite a few failures of this type. It's because the maximum allowable resistance for the earthing test is set extremely low. If a PC power cord can fail the test after just two years, having never been moved or disturbed, then pretty much everything can fail after two years. When the PC power cord failed, they just got a new power cord and plugged it into the PC. With a microwave oven the cord is hardwired and can't be quickly and easily replaced, so they'll tell you to buy a new oven.

It's also worth noting that high values for the earth continuity test part of the PAT test can be caused by poor test procedure, and anything that increases resistance, such as an oxide layer on the plug pins. For those who are interested, this website has details of the earth continuity test procedure.

www.plymouthpattesting.co.uk/earth-continuity-limit/

I'm all for checking that electrical equipment has a good earthing connection and is safe to use, but I think the way it's being done is absolutely bonkers and is causing good equipment to be thrown away.

There are definitely poor testing procedures here.

Cables should actually pass or fail based on first looking at them, the condition of the cable itself and of the plug pins etc. The resistance etc as part of testing on the equipment.

With double insulated or earthed equipment you can generate a false failure - by not getting the ‘right’ result on the earth wire that doesn’t exist

PAT testing is about electrical safety. A computers cable should not fail just because it’s two years old

Tomikka · 11/05/2022 00:31

R00K · 10/05/2022 23:51

I'm guessing that the BG man was referring to the amount of meals in the microwave at once. I'd assume heating 5 meals at the same time is a bit iffy, but 9???

On another note, I think you can get a Nissan Micra Wave for less than a BG man callout and it's radiation free!

Not the number of meals

5mw/ cm2 is the international standard as the maximum safe leakage

Pennox · 11/05/2022 00:37

Heartening to see.some MNers understand basic physics. It's non-ionising radiation. The end.

Why were BG checking your microwave? Are they offering to sell you a new one by any chance?

YorkshireDude · 11/05/2022 01:01

If microwave leakage was a serious health and safety issue, there would be a national register of microwave ovens, and mandatory annual testing.

User7493268965 · 11/05/2022 05:54

I'm guessing the BG repair man dressed in full PPE for protection to do this test because he could be subjecting himself to the 'harmful' radiation by doing the test and of course the nature of the job is checking faulty appliances, did he put on a radiation suit for this and explain the dangers fully that you had been subjected to.

PurassicJark · 11/05/2022 07:44

Don't have one because we rarely used it and didn't have the space. Probably would if we had the space but it would seem pointless really.

User7493268965 · 11/05/2022 09:12

Ours is in the utility room with the airfryer so they don’t clutter up the kitchen workspace, we mainly use it for porridge and heating soup. We also have one in the caravan for porridge but that is eye level and I am more worried about getting burnt than any leakage

chisanunian · 11/05/2022 14:06

NeverDropYourMooncup · 10/05/2022 23:31

And wait 'till she hears about granite worktops...

Not to mention the brazil nuts...

perenniallymessy · 11/05/2022 14:30

Given the current energy prices people should be aiming to use their microwaves more- the energy savings over cooking things in the oven or on the hob are pretty big.

I use mine a lot- we heat up milk to make hot chocolates, heating up leftovers, cook vegetables, defrost things when I have been too disorganised to get it out of the freezer ahead of time! We have a (built in, so doesn't take up worktop space) combi microwave, so it also makes fantastic jacket potatoes in a fraction of the time of an oven. And it's smaller than the big oven, so uses a bit less energy when I use it as an oven.

And a lot of the time you can save on the washing up too as you can heat things up in the bowl or mug that you're going to use.

shael · 11/05/2022 14:56

Pennox · 11/05/2022 00:37

Heartening to see.some MNers understand basic physics. It's non-ionising radiation. The end.

Why were BG checking your microwave? Are they offering to sell you a new one by any chance?

No, it's an insurance policy so they are actually having to pay out towards a new one

OP posts:
Alphabet1spaghetti2 · 11/05/2022 15:05

@shael
out of interest - how much money have you paid out in insurance payments?

YorkshireDude · 11/05/2022 17:51

Insurance for home appliances is rarely good value for money.


  1. When you buy new, the warranty protects you for 1 or 2 years.

  2. Most home appliances that make it past the first 1-2 years warranty period will last a lot longer.


In the field of electrical and electronic engineering this phenomena is well known. A small proportion of electronic systems will experience premature failure, but the vast majority that survive the initial few hours of usage will then go on to give a long service life.

When sales people get buyers to take out home appliance insurance policies, it's playing on the fear that their recent investment will suddenly become worthless.

Alphabet1spaghetti2 · 11/05/2022 18:35

@YorkshireDude twas what I was alluding too.!

CeratopsofthePharoahs · 11/05/2022 18:42

When I was at school I had a friend who wouldn't return to the kitchen until a few minutes after the microwave beeped in case there were still some microwaves "wafting around". We were in the same GCSE physics class. She knew about the electromagnetic spectrum. But then, this was also the girl who got very panicky about the planets being in alignment and how much damage could "all that gravity sloshing about" could do.
She got a decent grade in physics too.
Good grief, I hope she's not the op.

krakenandcoke · 11/05/2022 18:44

Haven't had one in 8 years. Friends think it's weird but I've just got used to not having one.

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