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Grounding
The ac supply source for the amplifier is supposed to be bonded to earth ground.
Typical WYE Secondary
Typical Delta Secondary
These are the two most typical transformer configurations and failure to ground these properly
could void warranty. These can be either 230 or 460 Vac depending on the amplifier model.
EARTH
GROUND
L1 (HOT)
L2 (HOT)
L3 (HOT)
GND
L1 (HOT)
L2 (HOT)
L3 (HOT)
GND
EARTH
GROUND
19
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