Robot Safety Zones
Electrical Hazards
Lockout/Tagout & Standards
Robotics & Equipment
Emergency Response
100

This area around a robot is where anyone can safely travel during operation.

What is the safe zone?

100

This law explains the relationship between voltage, current, and resistance.

What is Ohm’s Law?

100

This state exists when there is no active power and no stored or latent energy.

What is a zero-energy state?

100

This handheld device allows an operator to manually control and program a robot.

What is a teach pendant?

100

This device is used only as a last resort to control severe bleeding.

What is a tourniquet?

200

This area around a robot is safe for people to work in, and it is where the operator often works.

What is the cautionary zone?

200

A circuit powered by 120 volts with 100 ohms of resistance has this amount of current.

What is 1.2 amps?

200

This person is responsible for removing a lock from a lockout device.

Who is the person who placed the lock?

200

These sensors use an emitter and receiver to create an infrared safety barrier.

What is a light curtain?

200

This electrical path through the body is considered one of the most dangerous because it crosses the heart.

What is from the middle of the left hand to the left foot?

300

This area is the same as the robot’s work envelope and is where OSHA requires an E-stop to be accessible.

What is the danger zone?

300

A system powered by 480 volts with 60 amps flowing through it has this resistance.

What is 8 ohms?

300

This OSHA standard protects workers from unexpected startup or energization during equipment maintenance.

What is Lockout/Tagout (LOTO)?

300

Program completion, an alarm condition, and a mechanical failure.

What are the three conditions that stop a robot?

300

At this current level, muscle contractions and breathing difficulty begin with possible loss of muscle control.

What is 0.010A to 0.030A?

400

This term describes the total area that a robot can physically reach while operating.

What is the work envelope?

400

These three factors determine how severe an electrical shock will be.

What are the amount of current, the path electricity takes through the body, and the duration of the shock?

400

This is the final step of the LOTO process after work is complete and everyone is clear.

What is removing each worker’s own lock and restoring power to the equipment?

400

This operation involves a robot repeatedly moving objects from one location to another.  

What is a pick-and-place operation?

400

This heart condition is highly possible when 0.100A to 0.200A passes through the heart.

What is ventricular fibrillation?

500

These three words, all beginning with the letter R, summarize the basic attitude humans should have toward robots.

What are Robots Require Respect?

500

Once electricity passes beneath the skin from hand to foot, the human body has approximately this internal resistance.  

What is 400 to 600 ohms?

500

This organization develops safety standards for industrial robots and robotic systems.

What is the Robotic Industries Association (RIA)?

500

This safety device detects a person entering a hazardous area without requiring physical contact.

What is a presence sensor?

500

These four rules guide how workers should respond during emergencies.

What are remain calm, assess the situation, perform to the level of your training, and talk it out afterward?