Electrician work SPOT Light - 2x150W & Ups - calibration load ..
True DIY by professional
I did assembly it this rainy Saturday afternoon, small and practical, and suitable serving also as ups calibration load for 1000~1500VA or about 900W ones.
Rule of thump ups calibration = ups to be calibrated with stable load and this to be at 30% of total ups handling load.
Full load = 300W for ups at 900W
Half load = 150W for ups at 450W (true handling load) in VA this could be around 600~700!