DIY 12 Volt House Wiring and Why It's a Good Idea
This is a pretty good video on how to wire a small home or a part of your home for use with 12 volt power.
When I designed my solar & wind turbine system I just planned that I’d be converting the 12 volt power to 120/240 volt typical house current which is what I did. I really didn’t give any thought at all to also running some dedicated 12 volt circuits but I am planning to run some now.
The big advantage to having 12 volt circuits is that the inverter is totally bypassed. The downsides to using an inverter are;
An inverter uses power to convert the 12 volt battery current to 120/240 volt house current. High quality sine wave inverters are rated at 90-95% efficiency. Lower quality modified sine wave inverters are less efficient - 75-85%. The bottom line is that an inverter consumes power, as much as 25%, causing your battery bank to run out faster.
Most larger inverters make noise. This isn’t a big deal as long as it’s not located in your living area. Mine is...currently.
- If your inverter breaks down you won’t be able to run any 120/240 volt equipment.
Having several 12 volt circuits for lighting, charging, and other appliances is an efficient use of a battery bank and is a great backup in case the inverter quits.
Have backups to the backups...is my plan.
Be Prepared - Be Grateful
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