NCCER Fire/Electrical Safety

Three parts of the fire triangle.

• fuel, heat, oxygen
• air, gas, heat
• matches, trash, air
• oil, grease, rags

The tag on a fire extinguisher should indicate…

• the last time it was used
• inspection dates
• the type of chemicals used
• the capacity of the extinguisher

A class B fire extinguisher is used to put out this kind of fire.

• cellulose based fuel such as wood or paper
• electrical fires
• flammable liquids
• combustible metals such as magnesium

What type of fire extinguisher should be used to extinguish an electric motor fire?

• Type A
• Type B
• Type C
• Type D

An unfortunate worker could be electrocuted by as little as ____ of electrical current.

• 20 amps
• 10 amps
• 5 amps
• less than one amp

Electrical current will always take the path of least ____ to get to ground.

• amperage
• voltage
• wattage
• resistance

A ____ wire electrical cord uses a green wire for a safety ground to reduce the chance of electrical shock.

• single
• two
• three
• four

A plug receptacle that is designed to reduce the chance of receiving and electrical shock.

• heavy duty
• ANSI
• NEC
• GFCI

Polarized plug receptacles are designed for use with ____ power tools.

• heavy duty
• double insulated
• grounded
• pneumatic

A _____ system is designed to protect workers from hazardous energy when servicing machines and equipment.

• MSDS
• lock out tagout
• ventilation
• PPE