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1.5.4 FIRE AND EXPLOSIONS
To prevent fire, explosion, or rupture, be sure to observe the following precautions .
Spatter or hot base metals produced
during and immediately after the
welding processes may cause fire.
Poor connections of cables or
defective contacts in any current
path on the base metal such as steel
frame may cause overheating due
to conducting current, resulting in
fire.
Explosion can be caused by the
welding arc produced on containers
that may have held combustibles
such as gasoline.
Rupture can be caused by welding
enclosed tanks or pipes.
Keep combustibles away from
scattered
combustibles
removed
shields.
spatter.
Cover
that
cannot
be
with
incombustible
Do not weld in the vicinity of
flammable gases.
Keep hot base metals immediately
after the welding processes away
from combustibles.
When welding ceiling, floor or
wall, remove combustibles hidden
adjacent to them.
Tighten
securely and insulate them.
Connect work lead so that it is
positioned as close to the part
welded as possible.
Do not weld a gas pipe that may
have held any gas or an enclosed
tank or pipe
Have a fire extinguisher handy in
the vicinity of the welding area in
preparation for emergency.
20
cable
connections
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