Mixed Deck — All PECO Topics Flashcards
100 cards from real PECO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 20 Mixed Deck — All PECO Topics flashcards as text
What ethical standard governs core concepts and principles practice?
Answer: Adherence to the profession's code of ethics and applicable laws and regulations
Professional ethics codes and applicable laws provide the framework for ethical practice in every professional field.
A PECO feeder circuit experiences a permanent three-phase fault. Which protection device at the substation is the first to respond?
Answer: Substation feeder breaker
The substation feeder breaker is the first-line protection device and will trip on a permanent three-phase fault at the substation level before downstream devices operate.
How should core concepts and principles knowledge be maintained and updated?
Answer: Through continuous professional development, current literature review, and professional networking
Professional competence requires ongoing development through education, literature review, and engagement with the professional community.
Which tool is commonly used to diagnose electrical faults?
Answer: Multimeter
A multimeter is commonly used to diagnose electrical faults. It can measure voltage, current, and resistance, allowing technicians to identify open circuits, short circuits, and other electrical anomalies that indicate a fault.
What is the role of a sectionalizer in PECO's distribution system?
Answer: Count fault current operations and open after a set number to isolate a faulted section
A sectionalizer counts the number of times fault current passes through it and opens after the upstream recloser locks out, isolating only the faulted section of the feeder.
Which conductor configuration is most commonly used for PECO overhead distribution primary lines to reduce line losses and improve voltage regulation?
Answer: Balanced three-phase three-wire or four-wire configuration
PECO overhead primary distribution lines are predominantly configured as balanced three-phase three-wire or four-wire (with neutral) circuits to efficiently distribute power with minimized losses.
What quality assurance measure supports industry best practices?
Answer: Regular self-assessment, peer review, and adherence to established standards
Ongoing quality assurance through self-assessment, peer review, and standards adherence ensures continuous improvement.
What does 'loss of neutral' on a 120/240V residential service typically cause?
Answer: An imbalanced voltage condition where loads on one leg see over-voltage and loads on the other see under-voltage
Without a neutral, the two 120V legs become a series circuit across 240V; unbalanced loads cause voltage to redistribute so one side rises above 120V while the other drops below, potentially damaging appliances.
A PECO customer disputes a billing amount they believe is unusually high. What is the correct first step for a PECO representative to take?
Answer: Review the account's usage history and compare to prior periods
The first step in resolving a billing dispute is to review usage history to identify any anomalies before taking corrective action.
How should applied methods and techniques knowledge be maintained and updated?
Answer: Through continuous professional development, current literature review, and professional networking
Professional competence requires ongoing development through education, literature review, and engagement with the professional community.
What type of energy source is used in nuclear power generation?
Answer: Nuclear fission
Nuclear power generation utilizes nuclear fission as its energy source. In this process, the nucleus of a heavy atom, such as uranium, is split, releasing a tremendous amount of heat that is used to produce steam and drive turbines to generate electricity.
Which standard outlines electrical safety in the workplace?
Answer: NFPA 70E
NFPA 70E is the standard for Electrical Safety in the Workplace, published by the National Fire Protection Association. It provides comprehensive guidelines and requirements to protect workers from electrical hazards such as shock, arc flash, and arc blast, ensuring a safe working environment.
Which type of cable insulation is most commonly used in PECO's underground distribution system for medium-voltage circuits?
Answer: Cross-linked polyethylene (XLPE)
Cross-linked polyethylene (XLPE) is the predominant insulation for modern medium-voltage underground distribution cables due to its superior thermal and electrical properties.
PECO's Act 129 energy efficiency programs in Pennsylvania are designed to achieve what primary regulatory goal?
Answer: Reduce electric consumption and peak demand by mandated percentage targets set by the PUC
Act 129 of 2008 requires Pennsylvania electric distribution companies like PECO to meet specific consumption and peak demand reduction targets approved by the PUC.
What does the Clean Air Act regulate?
Answer: Air emissions
The Clean Air Act (CAA) is a comprehensive federal law designed to control air pollution on a national level in the United States. It authorizes the Environmental Protection Agency (EPA) to establish National Ambient Air Quality Standards (NAAQS) to protect public health and welfare. The CAA regulates emissions from both stationary sources, like power plants, and mobile sources, such as vehicles, to improve air quality.
What device is used to interrupt electrical flow in the event of an overload?
Answer: Circuit breaker
A circuit breaker is a safety device designed to automatically interrupt the flow of electricity when an overload or short circuit occurs. It protects electrical circuits from damage caused by excessive current, preventing potential fires and equipment failure.
What is the foundational principle of assessment and evaluation in the Philadelphia Electric Company Certified Professional field?
Answer: Maintaining competence, integrity, and service to stakeholders
The foundational principles of assessment and evaluation in Philadelphia Electric Company Certified Professional center on maintaining competence, integrity, and quality service.
How should challenges in continuing education requirements be addressed?
Answer: Apply systematic problem-solving, seek expert guidance when needed, and document decisions
Systematic problem-solving combined with appropriate consultation and documentation ensures challenges are addressed effectively.
According to ANSI C84.1, the preferred service voltage range (Range A) for PECO's 120V secondary system is:
Answer: 114V to 126V
ANSI C84.1 Range A for 120V nominal service specifies a preferred voltage range of 114V to 126V (±5%) at the utilization point under normal operating conditions.
What ethical standard governs professional standards and ethics practice?
Answer: Adherence to the profession's code of ethics and applicable laws and regulations
Professional ethics codes and applicable laws provide the framework for ethical practice in every professional field.