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4890301
SAFETY
&
FIRST
AID
Because
personnel
wo
rki
ng
with
electronic equipment
are
exposed
to
the hazard
of
high voltage,
it
is imperative
that
all safety regulations be consistently observed, and
that
each individual
has
a clear understanding
of
basic First
Aid
methods.
-::
The
following
typical
hazards must be avoided
at
all times:
POWER.
1
Do
not
attempt
adjustment
of
unprotected
ci
r
cuit
controls,
or
lead dress
while
the
power
is ON.
2
Do
not
change heavily loaded
or
overheated compo- 1
nents
without
due precaution
to
avoid burns. - ,
3
Do
not
assume
that
no dangerous voltage is present
when the power is
OFF
. Charged capacitors may retain
dangerous voltages
for
long periods, and should be dis-
charged through a suitable resistor before
any
circuit
po
int
sare touched.
4
At
all times avoid placing any parts
of
the
body
in
.,,;.,
betw"n
grn,nd
and
d,o,;t
po;nts,
wheth"
o,
~~@
not
power is ON.
~
,,...-
1.
• ,
~
&~-~
5
Do
not
assume
that
solid-state circuits and semiconduc-
..L
~
,
tor
cases
carry
only
low
voltages.
-:
/ \ ·
Y0
8633
For
their
own
protection, and
the
protection
of
others, all
electronic personnel should become
thoroughly
familiar
with
the
approved
First
Aid
treatment of burns and shock.
There are three principal degrees
of
burns, recognizable
as
follows:
1. A
first
degree
burn
reddens the skin
2.
A second degree
burn
blisters the skin
3. A
third
degree
burn
chars
the
flesh and frequently
places the
victim
in
a state
of
shock accompanied
by
respiratory paralysi
s.
Respiratory paralysis
in
the
victim
can cause death
wi
th
in
seconds,
by
suffocation.
For
this
reason
it
is imperative
that
the
approved method
of
artificial
respiration be
in
itiated
immediately and continued
until
th
e
victim's
breathing is
normal.
A muscular
spasm
or
unconsciousness may render
the
victim
unable
to
free himself
of
the
electric power.
If
this
is the
case,
turn
the
power
OFF
immediately.
DO
NOT
TOUCH
HIM,
OR
YOU
MAY
SHARE HIS
PREDICAMENT.
If
the
power cannot be turned
OFF
immediately, very
carefully
loop
a
dry
rope, article
of
clothing, length
of
strong
cloth,
or
a rolled-up newspaper around the
victim
and
pull
him
free
of
the
power. Carefully avoid touching
him
or
his clothing.
The
moment
he is clear
of
the
power, place
him
in a
reclining position, cover
him
with
a blanket
(or
news-
papers)
to
keep
him
warm, and begin artificial respiration.
At
the
first
opportunity,
enlist help
in
the
summoning
of
a
doctor.
If
a
doctor
cannot
be summoned, transport the
victim
to
the
doctor,
infirmary,
e>r
hospital. Be sure
that
the
victim
is
kept
well covered and warm
while
awaiting
professional aid and treatment.
iv
AMPEX
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