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professional area : physics, EE, embedded systems hardware and firmware primarily for motor control, robotics, and lithium batteries -serious DIY at a home / farm that keeps me very busy with repairs and wild ideas of doing things "better". Better is subjective..... -did it myself grid attached solar PV with off grid BB option

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  • New England area
  • Member for 4 years, 3 months
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  • Last seen Dec 11 '20 at 14:18

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All Questions Answers
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2 what is the design load limit for a jack stud and header plate? Jul 26 '18
1 how to identify lumber grade of unmarked ceiling joists Apr 7 '18
1 energizing both elements of electric hot water heater Apr 11 '18
1 how many screws are needed for 300 lbs Apr 19 '18
1 wire gauge for dual driven appliance (solar inverter) May 10 '19
1 cheap hot water tank failure after 3 1/2 years - expected, luck, installation problem, acid water, pressure cycle? Jun 29 '19
1 How were 240V (split phase) appliances safely fused before 2 pole breakers? Dec 11 '20
1 Is it proper and/or smart to independently ground an older 3 prong dryer outlet and upgrade it to 4 prong? Apr 12 '18
1 How big of a Battery Backup or powerwall do i need to power 3 medical devices Apr 27 '19
0 stair riser variation between stairs and landings Apr 20 '18
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