Portable heater (1 Viewer)

[R.U.Madmitch]

Hi, I am currently plugged in on site and using a (2nd)240v 2kw heater the original was sparking occasionally during use. I'm now using a newly purchased 2nd heater for the 1st time and its doing the same thing when it switches on and off with the thermostat. Heaters clean and nothing to do with dust, I'm being supplied with 16A which is plenty. I haven't used anything else 240v in the M.H. Any ideas what would cause this? Polarity, original wiring fault?
Cheers, Denzil

 

[Boringfrog]

If it's just when the thermostat kicks in and turns the heater on or off, I think that's normal.

 

[pappajohn]

A quality (expensive) heater may have a suppressor (capacitor) across the thermostat terminals to.... Well, suppress the spark.
Each time it sparks it will leave pitting on the contacts over time but its nothing to worry about.

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[R.U.Madmitch]

Thanks for the responses but its definitely not normal, I shoulda said, there's also a bit of 'fizzing'. I left it running for a good half hour thinking it was nothing but seemed to be getting worse, plugwas also heating up