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11.3 8 Stage Wiring
– SCR Power Control on Vernier
WARNING: FIRE HAZARD!! Even quality electronic components CAN
FAIL KEEPING FULL POWER ON! Provide a SEPARATE (redundant) OVER
TEMPERATURE SHUTDOWN DEVICE to switch the power off if safe temperatures are
exceeded.
WARNING: HIGH VOLTAGE!! This control is wired to a transformer, Solid
State Relay, and contactors with high voltage on them. This control must be installed in a
GROUNDED enclosure by a qualified electrician in accordance with applicable local and
national codes including NEC and other applicable codes. Provide a safety interlock on the
door to remove power before gaining access to the device.
