CAUTION INSTRUCTIONS FOR L&L KILNS
cautions.pdf
REV: 11/1/2016
Page 2
2016
L&L Kiln Mfg, Inc. 505 Sharptown Rd, Swedesboro NJ 08085 P:856.294.0077 F:856.294.0070 [email protected] hotkilns.com
SAFETY NOTICE
1. All cautions and requirements recommended by L&L
Kiln Mfg. Inc. are meant to assist users to properly and
safely operate their kilns. Many of these cautions apply to
kilns and ceramic processes in general. Other process and
materials are outside the scope of these Cautions. If you
are firing other materials than ceramics there may be issues
such as outgassing or explosive hazards that you need to
carefully investigate before firing in a kiln.
2. By making use of, and/or downloading from, this web
site, user acknowledges that process and manufacturing
systems improperly installed, maintained, or operated
can pose serious and dangerous threats to worker safety,
environmental integrity, and product/process quality.
3. Kilns operate at high temperatures and make use of high
voltages/amperages and if improperly installed, maintained,
or used, can cause serious personal or property damages.
4. Commercial kilns are provided with various safety,
performance, and operating limits, designs and devices
which, if disconnected, altered, tampered with, or changed
by user, user’s employees, user’s agents, or others acting
on user’s behalf or with user’s knowledge, will become
user’s sole risk and responsibility.
5. User also has the sole responsibility for assigning
properly trained persons to operate the kilns who have
demonstrated common sense and a general aptitude for
such work.
6. It is user’s sole responsibility to understand and assure
adherence to all safety notices and installation, operating,
and maintenance instructions provided by L&L Kiln Mfg.,
Inc.
ELECTRICAL SAFETY
GENERAL
Electricity can be dangerous if not approached carefully.
There are three basic hazards that cause injury or death –
shock, arc-flash, and arc-blast. It is important to remember
that even a small amount of current passing through the
chest can cause death. Most deaths occurring for circuits
of less than 600 volts happen when people are working
on “hot,” energized equipment – PLEASE DISCONNECT
AND LOCK OUT ALL ELECTRICAL POWER BEFORE
ATTEMPTING KILN REPAIRS!
ELECTRICAL HAZARDS
SHOCK
An electrical shock is a current that passes through the
human body. Any electrical current flows through the path
of least resistance towards ground; if an external voltage
contacts a human body, e.g. by touching a live wire with
the hand, the voltage will try to find a ground, and a current
will develop that flows through the body’s nervous system
or vascular system, and exit through the closest part of the
body to ground (e.g., the other hand which may be touching
a metal pipe.) Nerve shock disrupts the body’s normal
electrical functions, and can stop the heart or the lungs, or
both, causing severe injury or death.
ARC-FLASH
An arc-flash is an extremely high temperature conductive
mixture of plasma and gases, which causes very serious
burns when it comes into contact with the body, and can
ignite flammable clothing. Arc temperatures reach up to
35,000°F – which is 4X the temperature of the sun’s surface.
ARC-BLAST
Arc-blast is a pressure wave resulting from arcing, which
can carry molten metal fragments and plasma gasses at
very high speeds and distances. This can not only carry
very hot shrapnel to injure a person, but can actually be
strong enough to destroy structures or knock workers off
ladders.
SAFETY PRINCIPLES
Be safe! Make sure any equipment that is being installed
or serviced is disconnected from all sources of power.
In industry, it is important to have ‘Lockout and tagout’
procedures in place to make sure that power stays
disconnected while people are servicing equipment. It is just
as important in residential and commercial sites – DO NOT