Electrical Safety 2019

High-voltage rubber gloves must be electrically tested how often?

• once a year
• every month
• before each use
• every 6 months

The major cause of death from electrical shock is _____?

• burns

• fibrillation of the heart

• head trauma

• lack of oxygen

The main factor that determines theoutcome of an electrical shock is the ___?

• amount of resistance

• amount of voltage

• amount of current

• size of victim

According in OSHA, portable tools and appliances do not need to be grounded when?

• before they are thrown away

• if they draw less than 10 amps

• if they have double insulation

• if they are insulated

All electrical equipment and lines should be considered ___ until determined otherwise.

• not

• energized

• lively

• de-energized

When a barrier is used as a controlled access zone, it must be ___ from the edge.

• 6 inches

• 6 feet

• 73 inches

• 72 feet

Batteries can be an explosion hazard because ____.

• hydrogen mixed right with air can be explosive
• acid is explosive when mixed with air
• PCBs in batteries are explosive
• samsung is out to hurt people

Before entering a confined space, you must ___.

• have a second person with in the space
• be provided with supplemental oxygen
• be trained in confined space entry procedures
• have two separate means of egress

One way to prevent electrical shock when using power tools is by ____.

• proper grounding of tools
• using extension cords
• using different brands of tools
• using circuit breakers

With a straight ladder, the side rails must extend at least ___ above the top support point.

• 3 ft

• 37 in

• 24 in

• 4 ft