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crcr's avatar
crcr
Explorer
Apr 10, 2013

Question about Installation of Morningstar Inverter

I am installing a Morningstar SureSine 300 watt inverter in my TT. Below is a pic of a page of the installation manual. My question is regarding the Earthground terminal, item #1 in the DC connectio...
BFL13's avatar
BFL13
Explorer II
Apr 10, 2013
One of our actual electricians can confirm/deny, but AFAIK with the 300w inverter you will be under 15a output and could use 14/3. AFAIK 12/3 is for 20a circuits.

I use a 30ft 14/3 extension cord from the 2000w inverter to run the microwave, which only needs a 15a circuit. Doesn't get hot or anything.

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