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Flammable
Class I
- Boiling Point:
- Flash Point: Below 100F
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Flammable
Classs IA
- Boiling Point: Below 100 F
- Flash Point: Below 73 F
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Flammable
Class IB
- Boiling Point: At or above 100 F
- Flash Point: Below 73 F
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Flammable
Class IC
- Boiling Point:
- Flash Point: At or above 73 F and below 100 F
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Combustible
Class II
Flash Point: At or above 100 F and below 140 F
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Combustible
Class III
Flash Point: At or above 140F
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Combustible
Class IIIA
Flash Point: At or above 140F and below 200 F
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Combustible
Class IIIB
Flash Point: At or above 200 F
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Fire Sprinkler Head Color Coding
Uncolored
- Ceiling Temperature: 100 F
- Temperature Rating: 135 to 170 F
- Temperature Classification: Ordinary
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Fire Sprinkler Head Color Coding
White
- Ceiling Temperature: 150 F
- Temperature Rating: 175 to 225 F
- Temperature Classification: Intermidiate
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Fire Sprinkler Head Color Coding
Blue
- Ceiling Temperature: 225 F
- Temperature Rating: 250 to 300 F
- Temperature Classification: High
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Fire Sprinkler Head Color Coding
Red
- Ceiling Temperature: 300 F
- Temperature Rating: 325 to 375 F
- Temperature Classification: Extra High
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Fire Sprinkler Head Color Coding
Green
- Ceiling Temperature: 375 F
- Temperature Rating: 400 to 475 F
- Temperature Classification: Very Extra High
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Fire Sprinkler Head Color Coding
Orange
- Ceiling Temperature: 475 F
- Temperature Rating: 500 to 575 F
- Temperature Classification: Ultra High
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Helmet Type
Class E
This is equivalent to the old Class B. Class E helmets are proof tested at 20,000 volts.
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Helmet Type
Class G
This is equivalent to the old Class A. Class G helmets are proof tested at 2,200 volts.
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Helmet Type
Class C
This class provides no electrical insulation; the alpha designation did not change from the old standard.
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Class I
Division 1
- Gas, Vapor, Liquid
- Normal Conditions
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Class I
Division 2
- Gas, Vapor, Liquid
- Abnormal Conditions
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Class III
Division 1
- Fibers and Flyings
- Normal Conditions
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Class III
Division 2
- Fibers and Flyings
- Abnormal Conditions
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Authorized Employee
An employee who is qualified to lock out machinery and perform maintenance.
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Affected Employee
An employee who normally works on or near a machine that must be locked out for maintenance.
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Means Of Egress
A means of egress is a continuous and unobstructed way of exit travel from any point in a building or structure to a public way and consists of three separate and distinct parts: (a) the exit access, (b) the exit, and (c) the exit discharge.
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Electrostatic Precipitator
is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. Electrostatic precipitators are highly efficient filtration devices that minimally impede the flow of gases through the device, and can easily remove fine particulate matter such as dust and smoke from the air stream.[
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Wet Scubber
a variety of devices that remove pollutants from a furnace flue gas or from other gas streams. In a wet scrubber, the polluted gas stream is brought into contact with the scrubbing liquid, by spraying it with the liquid, by forcing it through a pool of liquid, or by some other contact method, so as to remove the pollutants.
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National Safety Council
Accident Investigation Procedure
- Provide information needed to determine injury rates, id trends or problem areas, permit comparisions and satisfy workers comp requirements
- ID without placing blame the basic causal factors that contribute directly or indirectly to each accident
- ID deficiencies in management systems
- Suggest corrective actions for the incident
- Suggest corrective actions to the management system
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Light Duty Scaffold
Load Limits
OSHA
25 lbs. per square foot applied uniformly over the entire span area
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Medium Duty Scaffold
Load Limits
OSHA
50 lbs. per square foot applied uniformly over the entire span area
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Heavy Duty Scaffold
Load Limits
OSHA
75 lbs. per square foot applied uniformly over the entire span area
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Sound Level Meter
measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft noise. However, the reading given by a sound level meter does not correlate well to human-perceived loudness; for this a loudness meter is needed.
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Personal Noise Dosimeter
a specialized sound level meter intended specifically to measure the noise exposure of a person integrated over a period of time; usually to comply with Health and Safety regulations such as the Occupational Safety and Health (OSHA) 29 CFR 1910.95 Occupational Noise Exposure Standard
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Types of NEC allowable grounding electrode systems
- Metal underground water pipe
- Building steel
- Ufer Grounds (concrete encased)
- Ground rings
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