DIY electrical fire
I came to my bus yesterday to find no hot water.
today, i had a bit of time to investigate the problem and frankly i'm stoked that it wasn't worse.
i had installed a relay that i could switch the hot water heater on and off. i left the relay actuated for a number of days while plugged into 50 amp service.
it looks like it got hot and burnt a few wires. the fire was under my bed, and even left a soot stain on the bottom of my mattress. i never knew.
yeoow!!! it may be a good thing it was all enclosed under the bed! moghtve snuffed itself out.. glad that wasnt worse..
most solenoids and relays will indicate continuous or momentary duty.. I remember using a ford starter relay as a fan relay for a hotrod i had.. yeah first 95 degree day I was out with that 500HP motor and the A/C blasting. lots of smoke (lucky no fire)..
somrthing like this might work?
here is a link to the original. i dont see a rating for continuous, but i did not know to look.
I won't buy any more solenoids that aren't both rated for continuous duty and also have the trigger circuit isolated from the load circuit. I learned my lesson!
Something like this, which is what I have upgraded my glow plug solenoid to: https://www.supplyhouse.com/White-Ro...-Isolated-Coil
i didnt think about that... the self-feeding relay when they arc and short internally. unless isolated..
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