![]() ![]() For 208V single phase and three phase circuits, we have used the NEC + general practice wiring color codes as follows. NEC wiring color codes or other local area color codes. Please follow the National Electric Codes i.e. the three deck one we use costs more than a two deck pot, but the correct taper for the two deck version is no longer available. Wiring Color Codes for 208V: In this tutorial, we have used different wire colors for illustration purposes only. for the primary, put brown in "white", violet in "yellow", grey in "orange", and blue in "black".Īs for the attenuators, in practical use there is no difference between the two kinds. put the black and yellow secondary wires in the two holes marked "blue" and put both the red (pinkish) and orange together in the hole marked grey. ![]() The larger diameter wires are the primary and the smaller ones are the secondary. ignorance is not your friend when dealing with potentially lethal line AC. You should look at the transformer diagram on the side of the power transformer and compare that to the schematic in the mc76 manual so that you understand what you're doing. note that the PCB says "orange" where you should actually put the red wire. ![]() Yes, if you have an orange and yellow wire on your audio output transformer leftover, solder them together and insulate the connection with heatshrink or tape. ![]()
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