NCCER Electrical EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS PACKAGE DEAL 2025

Chlorofluorocarbon (CFC) refrigerants consist of: - Chlorine, Fluorine, Carbon What causes a CFC molecule to break down once it reaches the upper atmosphere? - Ultraviolet light The Ozone layer: - Reduces ultraviolet radiation. Hydrochlorofluorocarbon (HCFC) refrigerants consists of: - Hydrogen...

In a guardrail system, the guardrails can be made of any of the following EXCEPT: - rope banding If the potential across the circuit is 48 volts and the current is 5 amps the resistance of the circuit is: - 9.6 ohms A UL listed rod type grounding electrode must have a minimum length of: - 8'...

Verifying the presence or absence of voltage should be performed only by: Qualified individuals The NEC recommends maintaining voltage within a 3% drop. If a branch circuit operates at 240 volts AC, what is the minimum circuit operating volt? 232 What is the name of the connecting device show...

What is shown on a sectional drawing? - cutaway view of a building The NEC recommends maintaining voltage within a 3% drop. If a branch circuit operates at 240 volts AC. What is the minimum circuit operating volt? - 232 What is the name of the connecting device shown in the diagram? - split - b...

Which Article of the NEC covers grounding? - article 250 Which of the following is a 90 degree, explosion proof fitting? - GUAL What is a dropout plate? - Metal plate with a curved surface for cable to follow as it passes from the tray All of the following are common service voltages in the Unit...

Which article of the NEC covers grounding? - Article 250 What is a dropout plate? - Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: - 372/575 3-Phase, 4-wire What does a GFCI breaker do...

1) The three fundamental units of all physical quantities are length, mass, and _________? a) Pressure b) Temperature c) Matter d) Time - d) Time 2) The meter-kilogram-second (MKS) system and the centimeter-gramsecond (CGS) are part of the English system of measure? a) True b)False - b) Fal...

Which article of the NEC covers grounding? - Article 250 What is a dropout plate? - Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: - 372/575 3-Phase, 4-wire What does a GFCI breaker do...