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2.
Electrode Holders
Fully
insulated electrode holders should be used. Do NOT
use
holders with
protruding
screws.
3. Connectors
Fully
insulated
lock-type
connectors
should be used
to
join
welding
cable
lengths.
4.
Cables
Frequently
inspect
cables
for
wear,
cracks
and
damage.
IMMEDIATELY REPLACE those
with
excessively
worn
or
damaged
insulation
to
avoid
possibly
-
lethal
shock
from
bared cable. Cables with
damaged
areas
may be
taped
to
give
resistance
equivalent
to
original
cable.
Keep
cable
dry,
free of oil and grease, and protected from
hot
metal and
sparks.
5.
Terminals And Other
Exposed
Parts
Terminals and other
exposed
parts of electrical units should
have
insulating
covers
secured before
operation.
6.
Electrode Wire
Electrode
wire
becomes
electrically
HOT when the
power
switch of
gas metal-arc
welding equipment
is
ON
and
welding
gun
trigger
is
pressed. Keep
hands and
body
clear of wire and
other HOT parts.
7.
Safety
Devices
Safety
devices such
as
interlocks
and circuit breakers should
not
be disconnected
or
shunted
Out.
Before
installation, inspection,
or
service,
of
equipment,
shut
OFF
all
power
and
remove
line
fuses
(or
lock
or
red-tag
switches)
to
prevent accidental
turning
ON of power. Discon
nect
all cables from
welding
power source, and
pull
all 115
volts line-cord
pIu~.
Do
not
open power Circuit
or
change polarity
while
welding.
If,
in
an
emergency,
it
must
be
disconnected, guard
against
shock
burns,
or
flash from switch
arcing.
Leaving
equipment
unattended.
Always
shut OFF and dis
connect
all power
to
equipment.
Power
disconnect switch
must
be
available
near
the
welding
power
source.
1-4.
STANDARDS BOOKLET INDEX
For
more
information,
refer
to
the
following
standards
or
their latest revisions and
comply
as
applicable:
1.
ANSI
Standard
Z49.1,
SAFETY
IN
WELDING
AND
CUTTING
obtainable
from
the
American
Welding
Society,
2501 NW 7th
St.. Miami,
Fla.
33125.
2.
ANSI
Standard
Z87.1,
SAFE PRACTICE FOR
OCCUPA
TION AND
EDUCATIONAL
EYE AND FACE
PROTEC
TION,
obtainable from American
National Standards
institute,
1430
Broadway,
New
York,
N.Y. 10018.
3.
American
Welding Society
Standard
A6.0,
WELDING
AND
CUTTING CONTAINERS WHICH
HAVE
HELD
COMBUSTIBLES,
obtainable
same as
item 1.
4.
NFPA
Standard
51.
OXYGEN-FUEL
GAS
SYSTEMS
FOR
WELDING AND
CUTTING.
obtainable
from the
National
Fire
Protection
Association,
470
AtlantIc
Avenue, Boston,
Mass. 02210.
5.
NFPA Standard
51B,
CUTTING AND WELDING PRO
CESSES,
obtainable
same
as
item 4.
6.
CGA
Pamphlet
P-i.
SAFE
HANDLING
OF
COM
PRESSED GASES
IN
CYLINDERS,
obtain~,Ie from the
Compressed
Gas
Association,
500
Fifth
Avenue,
New
York,
N. Y. 10036.
7.
OSHA Standard 29
CFR,
Part
1910, Subpart 0,
WELD
ING,
CUTTING AND BRAZING.
8.
Code for
Safety
in
Welding
and
Cutting,
CSA Standard
W117.2.
Page
4
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