Microwave leakage testing measures microwave energy outside the oven using suitable equipment. It is separate from the electrical inspection and testing of the appliance, plug and lead. This guide explains what the test can tell you, when to stop using a damaged oven and how to include leakage testing in an AiO visit.
Microwaves are non-ionising electromagnetic radiation. They heat food and can also heat body tissue at sufficiently high exposure levels, but that does not mean normal use of an undamaged oven creates the risks described in alarming online claims.
The practical priority is to follow the manufacturer’s instructions and keep the oven in good condition. Claims that microwaves are inherently “toxic”, or that particular symptoms prove a radiation leak, should not replace a proper assessment.
The FDA’s microwave-oven guidance explains the technology and the importance of door condition. Its regulatory requirements apply to the United States; they are not UK workplace testing rules.
Stop using an oven with a damaged or misaligned door, damaged hinges or latch, or a door that does not close properly. Arrange assessment through the manufacturer or a competent service technician.
Damage to the plug or lead, overheating and unusual operation also need investigation. These are reasons to check the appliance, rather than proof of microwave leakage. Condensation after cooking does not by itself establish a leak.
Do not remove the casing, bypass door interlocks or attempt an improvised leakage test.
A competent tester examines the oven and uses suitable, calibrated equipment to measure leakage under the relevant test procedure. The measurement needs to be interpreted against the applicable criteria for the oven and test.
A leakage reading describes the conditions measured at that time. It does not certify that every part of the oven is fault-free or guarantee its future condition.
No. A phone receiving a call inside a switched-off oven is not a valid leakage test. Phones and ovens operate at different frequencies, and phone reception does not measure the oven’s microwave leakage. Panasonic explains why this method is unsuitable.
The electrical inspection and tests concern the appliance’s electrical safety, including its plug, lead and suitable electrical measurements. Microwave leakage testing is an additional measurement with a different purpose.
When requesting an AiO quote, include the microwave in your total appliance count and enter the number of additional microwave leakage tests. This avoids treating the leakage test as a replacement for the appliance test.
Our calculator shows the standard estimate and the additional leakage-test charge. View our example records and labels to see the reporting style.
Age alone is not a reason to discard a working oven. Its condition, manufacturer guidance and any recall or repair advice matter. Electrical Safety First’s microwave safety advice gives practical checks.
Identify who checks shared kitchen equipment, how users report defects and who takes damaged equipment out of use. Agree an inspection and maintenance approach that reflects use, condition and the manufacturer’s instructions.
There is no blanket legal requirement for every workplace appliance to receive an annual PAT test. Do not assume an annual microwave leakage test is automatically required either; assess the need and any applicable manufacturer, insurer or site requirements. See HSE’s appliance-maintenance FAQs.
Tell us how many microwaves you want electrically inspected and tested, and how many need the additional leakage test. The leakage-test charge is £4.50 per microwave, excluding VAT, in addition to the appliance-testing price.
Get your PAT testing quote or speak to AiO about a larger site or a specific concern. If an oven is damaged, stop using it and arrange assessment rather than waiting for a routine visit.
View our example report and appliance labels before you book.