Tested at 2A voltage drop is 8.01V which is 4Ohm +- 1%! Good precision resistance. Could not test at 500W but tested at 100W horizontally with 15-20°C delta T. Good looking product. Would recommend.
Tested at 2A voltage drop is 3.995V which is 2Ohm +- 1%! Good precision resistance. Could not test at 500W but tested at 50W horizontally with 10°C delta T. Good looking product. Would recommend.