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All of the potential personnel hazards and some
of the potential source of ignition hazards are common to all detectors which
use the LeCroy HV supplies and similar cabling schemes. Therefore, common
guidelines for safe operation have been established.
The high voltage power supplies are Class 1 devices and TJNAF policy regarding
restrictions will be found in section 6230 of the TJNAF EH&S Manual.
High voltage cables used are red jacketed RG-59 coaxial cables terminated in SHV
style connectors. The center conductor of the cable is at high voltage while
the outer braid is maintained at ground. All equipment using high voltage has
a grounded housing.
As a general rule no work should be done on detectors which are under
high voltage and
high voltage cables should never be removed or installed while the
supply is on.
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10/13/1997