ANSI Standards ANSI NEMA GR 1-2017 pdf free download – Ground Rod Electrodes and Ground Rod Electrode Couplings ANSI NEMA GR 1-2017 pdf free download - Ground Rod Electrodes and Ground Rod Electrode Couplings. 2.7 Adhesion 2.7.1 Test Method An 1 8 in. length of ground rod electrode with one end cut to a 45... 02-20 Download Now