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FOR ELECTRICALLY
powered equipment.
6.a. Turn off input power using the disconnect
switch at the fuse box before working on
the equipment.
6.b. Install equipment in accordance with the U.S. National
Electrical Code, all local codes and the manufacturer’s rec-
ommendations.
6.c. Ground the equipment in accordance with the U.S. National
Electrical Code and the manufacturer’s recommendations.
CYLINDER may explode
if damaged.
5.a. Use only compressed gas cylinders contain-
ing the correct gas for the process used
and properly operating regulators designed
for the gas and pressure used. All hoses,
fittings, etc. should be suitable for the application and main-
tained in good condition.
5.b. Always keep cylinders in an upright position securely
chained to an undercarriage or fixed support.
5.c. Cylinders should be located:
• Away from areas where they may be struck or subjected to
physical damage.
• A safe distance from plasma cutting or gouging, arc weld-
ing operations and any other source of heat, sparks,
or flame.
5.d. Never allow any part of the electrode, torch or any other
electrically “hot” parts to touch a cylinder.
5.e. Keep your head and face away from the cylinder valve outlet
when opening the cylinder valve.
5.f. Valve protection caps should always be in place and hand
tight except when the cylinder is in use or connected for
use.
5.g. Read and follow the instructions on compressed gas cylin-
ders, associated equipment, and CGA publication P-l,
“Precautions for Safe Handling of Compressed Gases in
Cylinders,”available from the Compressed Gas Association
1235 Jefferson Davis Highway, Arlington, VA 22202.
Apr. ‘93
ELECTRIC AND MAGNETIC FIELDS
may be dangerous
8.a. Electric current flowing through any con-
ductor causes localized Electric and
Magnetic Fields (EMF). Cutting or gouging
current creates EMF fields around torch
cables and cutting machines.
8.b. EMF fields may interfere with some pacemakers, so opera-
tors having a pacemaker should consult their physician
before cutting or gouging.
8.c. Exposure to EMF fields during cutting or gouging may have
other health effects which are now not known.
8d. All operators should use the following procedures in order to
minimize exposure to EMF fields from the cutting or gouging
circuit:
8.d.1. Route the torch and work cables together - Secure
them with tape when possible.
8.d.2. Never coil the torch cable around your body.
8.d.3. Do not place your body between the torch and
work cables. If the torch cable is on your right side,
the work cable should also be on your right side.
8.d.4. Connect the work cable to the workpiece as close as
possible to the area being cut or gouged.
8.d.5. Do not work next to cutting power source.
4.g. Sparks and spatter are thrown from the plasma arc. Wear
safety glasses, ear protection and oil free protective garments
such as leather gloves, heavy shirt, cuffless trousers, high
shoes and a cap over your hair. Wear ear plugs when cutting
or gouging out of position or in confined places. Always wear
safety glasses with side shields when in a cutting or gouging
area.
4.h. Connect the work cable to the work as close to the cutting or
gouging area as practical. Work cables connected to the build-
ing framework or other locations away from the cutting or
gouging area increase the possibility of the current passing
through lifting chains, crane cables or other alternate circuits.
This can create fire hazards or overheat lifting chains or
cables until they fail.
PLASMA ARC can injure.
7.a. Keep your body away from nozzle and
plasma arc.
7.b. Operate the pilot arc with caution. The pilot arc is capable of
burning the operator, others or even piercing safety clothing.