Same on the 767 ...
One trick taught during my IOE was to remember the "&" sign, starting on the lower right, i.e. R ELEC, C ELEC 1 C ELEC 2, L ELEC and C AIR. When shutting down, the opposite way: C AIR, L ELEC, C ELEC 2 C ELEC 1 and R ELEC
Have fun on the 777