Complete your electrical safety training with these practice questions and answers. This guide covers lockout/tagout procedures, grounding, ground fault circuit interrupters, and electrical hazard recognition.
Q: Under strict safety guidelines, which of the following should be used to discharge capacitors before working on de-energized circuits?
Answer: A safety shorting probe
Q: What color tags are on the rubber gloves with the highest level of protection?
Answer: Orange
Q: For safety, assume that any facility constructed before 1980 contains _____.
Answer: asbestos
Q: Which of the following voltages is considered low voltage?
Answer: 600V or less
Q: Insulating gloves must be inspected by the user _____.
Answer: before each use
Q: Class 1 rubber gloves have a maximum AC use voltage of _____.17,000V
Answer: 7,500V
Q: The normal beating of a heart can be upset by an electrical current as small as _____.
Answer: 75mA
Q: Which factor determines the outcome of an electrical shock?
Answer: The amount of current
Q: A live-dead-live test is conducted in order to _____.
Answer: verify that a circuit is de-energized
Q: OSHA requires you to be evaluated by a physician to ensure that you are physically fit to use which of the following types of protective equipment?
Answer: Respirator
Q: Which of the following battery byproducts can be explosive when mixed with air?
Answer: Hydrogen
Q: NEC Section 590.6(A) states that the receptacle outlets requiring GFCI protection include the 125V, single-phase, 15A, 20A, and _____.
Answer: 30A
Q: The OSHA lockout/tagout rule protects workers from _____.
Answer: exposure to hazardous energy sources
Q: Which of the following should have side rails that extend 36 inches above the top support point?
Answer: Straight ladders
Q: At the end of the shift, a confined space entry permit must be _____.
Answer: retained for one year
Q: What must happen before any work may be performed in a confined space?
Answer: Entry and inspection of hazards
Q: NFPA 70E® provides practical guidance in _____.
Answer: hazard assesment
Q: OSHA CFR 1910 is the standard for _____
Answer: general industry
Q: OSHA safety standards for the construction industry are contained in _____.
Answer: <i>OSHA CFR 1926</i>
Q: When a guardrail cannot be attached to a building, a solution may be to install a(n) _____.
Answer: controlled access zone