It has been observed that
not all maintenance personnel are clearly familiar with first-aid procedures
for victims of severe shock. Many victims of electrocution could have been
saved if associates had realized the value of administering first aid
procedures even after cessation of heartbeat. THE IMPORTANCE OF CONTINUING
CARDIO-PULMONARY RESUSCITATION TO APPARENTLY DEAD VICTIMS OF ELECTRIC SHOCK
CANNOT BE OVEREMPHASIZED. Cases have been reported where complete recovery
of such victims has been achieved even after many minutes of stopped or
fibrillating heart action and cessation of respiratory function.
c. Grounding Systems. The National Electrical Code has been adopted as
a national standard and is now widely accepted as the minimum requirements
of a grounding system to safeguard personnel and property from electrical
The National Electrical Code handbook is available from the
National Fire Protection Association, 470 Atlantic Ave., Boston, MA 02210.
(1) Grounding systems and their installation will comply with the
requirements of the latest edition of the National Electrical Code as a
minimum and to the requirement of this bulletin.
(2) Continuity of all grounding conductors within a facility will be
established to a grounding electrode.
facility most remote grounding point to each grounding electrode will be
less than 2 ohms. Maximum resistance of the grounding electrode to earth
will be less than 23 ohms (Article 245-84, National Electrical Code).
(3) Records will be maintained attesting to the adequacy of the
electrical grounding system in the repair or calibration facility.
grounding system will be of both proper design and installation.
grounding system will be evaluated at 12-month intervals by facilities
engineer personnel to assure consistency of minimal requirements as
specified in the National Electrical Code.
safety precautions as set forth below and in TB MED 279 and AR 40-46. Where
external mechanical vane type choppers present a hazard, take precautions to
prevent harm to personnel e.g., the use of protective guards, prohibition of
loose clothing, long sleeve shirts, etc.
Permanent eye damage can result
from direct viewing of high intensity light radiation sources. Although it
is not possible to draw a fine line which would identify light radiation
sources which should be considered hazardous, as a general rule the
(b) All are lamps (mercury, xenon, etc).
(c) Single incandescent sources of 400 watts or greater.