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normally i wouldnt be concerned about a microwave for the caravan, but i want to take a project with me on my next trip which needs heat packs warming up, and will want a microwave.

 question is , how high wattage can i run off a standard ehu?

 i dont want to pay twice the price for a special 500w camping one, but also dont want to take one that either wont work or constantly trips the electrics. any advise???

The are two power ratings for a microwave the stated pwer, e.g. 800w and the "start-up" power, which can be up to twice the stated power.

Divide the wattage by the volts to get the amps required. E.G. 1600 / 240 = 6.67 amps.

Depending on the hook-up you have 10 or 16 amp is normal, and what else you have plugged in you should be ok but avoid using fire, water heater or other high usage appliances at the same time.

We have a 700w argos one as well. If I remember I turn the water heater etc off but it didn't tripped even if I fogot!

Jenny