Join Date: Jul 2006
Location: Northern Chesapeake Bay
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Check your connections. Are the plugs warm? Very warm?? Hot??!!
Plugs are a weak link. If the plug is very warm or hot there is a poor connection. Lots of trouble starts at such points due to heat caused by the resistence in the connection. Check the blades and clean if necessary, same on the recessed blades in the sockets.
Even proper 30A 3 prong twist plugs can get hot enough to burn if the connection is poor enough while the current draw is high enough.
All that attended to, good heaters can be left on if set thoughtfully, with due consideration. I never leave them going full blast, nor where anything can fall down in front of them. And I mostly use the Pelonis heavy duty cube ceramics which never get hot enough to ignite anything though they put out gobs of warm air.
Thinking back to my first liveaboard winters, 30 yrs ago, it is amazing we never caught fire. But after 3 yrs we moved ashore again and the next year a former neighbor had his luck run out. Space heater technology has come a long way since then.
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