LOTO

Question 1

What are the 3 types of LOTO locks and how are they different?

Answer 1

Personal Lock
- Blue plastic
Control Lock
- Red plastic
Blue metal lock

Question 2

Who is the only person who can remove another person’s lock?

Answer 2

The Energy Control Coordinator (ECC) after contacting the absent person.
From slide:
Absent person lock removal.
Responsibilities of the person in charge.
– Contact the absent person excellent
– If unable, contact the ECC and site\construction manager
– only the ECC can remove another person’s lock 

Question 3

What are the 4 requirements of an electrically safe work condition?

Answer 3

• Deenergize:
  Open appropriate isolation devices
  – Lockout:
  Secure the area, not only the circuit
• Verify:
  Check that the circuit is actually deenergized and make sure it will remain like that
  – Ground:
  If greater than 1000 V

Question 4

What is the order for disconnecting wires n an AC circuit?

Answer 4

Phase
Neutral
Earth (if needed)

Question 5

Work above what cal/cm2 is not allowed.

Answer 5

Above 40 cal/cm2 because blast force is too strong and class 4 PPE is not adequate enough.

Question 6

What is the number for the OSHA standard for electrical work?

Answer 6

1910.147