Solved Bed heater wires getting extremely hot

I just installed a new heated bed today, and whenever I heat the bed, the wires leading to the heater itself get extremely hot, like to the point where Im pretty sure they would have caught fire had I not been smelling the insulation heating up.

Any ideas what could be causing this? I did rewire the printer to new connectors, but they work fine in the extruder heater, so I cant imagine its those that are the problem.

 

Check the resistance through the heated bed. It should have a specified wattage or resistance you can compare to.

W= (V^2)/ohm

If the heater is shorting out current could be flowing through too quickly.

I'm an ME so take this with a grain of salt. I know enough so that when I electrocute myself it doesn't hurt too bad.

 

What are the connectors amp rating? What kind of heater? A stock one?

 

Not exactly sure on the current rating. They are these connectors:
http://www.amazon.com/gp/product/B00MJVKKKI/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
And they work fine on the extruder heater.

The heated bed itself is one that I bought from the Robo3D store.

 

Those absolutely can not handle the 11A the bed puts out.

 

Oh wow, well that explains that then. Feeling pretty stupid, lol. Do you have any suggestions for other connectors?

And would those be alright for the stock E3D V6 heater? Theyve worked fine thus far, but the last thing I want is a fire hazard.

 

I believe those JST SM connectors are rated to 3A so it's fine with the 3.3A from the heater cartridge. The .3A is pretty negligible and you'd almost never be pulling that much current. Only during heatup. If you're really worried you could reuse the 25W heater from the hexagon but that's not necessary IMO.

Deans connectors are a great high temp connector: http://www.amazon.com/Connectors-Ba...d=1429303612&sr=1-2&keywords=dean's+connector

Those JST SM connectors will work fine for the thermistor though.