Overview

Transportation systems refer to the infrastructure, networks, and services that enable the movement of people, goods, and resources from one location to another. These systems for facilitating economic activities, supporting social interactions, and connecting various regions. Railway systems, a key component of transportation systems, are dedicated networks of tracks and associated infrastructure designed for the operation of trains. Railways provide a safe, efficient, and relatively sustainable mode of transportation, particularly for long-distance travel and freight movement. 

GAO Tek’s DC ground fault locators have the following applications in transportation and railway systems industry include:

  • Railway track maintenance: GAO Tek’s DC ground fault locators can be used to locate ground faults quickly and accurately in the railway track, helping to identify and resolve electrical issues promptly. This ensures the safety and efficiency of the railway system.
  • Tram and light rail systems: Our ground fault locators are essential for maintaining the electrical integrity of tram and light rail systems. They can detect and pinpoint ground faults in the electrical infrastructure, allowing for timely repairs and minimizing service disruptions.
  • Electric vehicle charging stations: With the growing popularity of electric vehicles, the demand for reliable and safe charging stations is increasing. GAO Tek’s DC ground fault locators can be used to identify and troubleshoot ground faults in the charging infrastructure, ensuring the proper functioning and safety of the charging stations.
  • Traffic control systems: Ground faults can occur in the electrical systems that power traffic lights and control systems. Our DC ground fault locators can help locate these faults, enabling efficient repairs and minimizing traffic disruptions.
  • Subway and metro systems: Our DC ground fault locators play a crucial role in maintaining the electrical infrastructure of subway and metro systems. They can detect and locate ground faults in the power distribution network, helping to prevent electrical failures and ensuring the smooth operation of the systems.

Complying with Government Regulations

GAO Tek’s DC ground fault locators comply or help our customers comply with the U.S. government regulations such as:

  • Federal Railroad Administration (FRA) Regulations: Its sets regulations for safety standards in the railway industry. These regulations cover various aspects of railway operations, including electrical systems. Compliance with FRA regulations is crucial for ensuring the safe use and implementation of DC ground fault locators in railway applications.
  • National Electrical Code (NEC): It published by the National Fire Protection Association (NFPA), provides guidelines for electrical installations in different industries. Compliance with NEC standards ensures electrical safety and proper installation of DC ground fault locators in transportation and railway systems industry.
  • Occupational Safety and Health Administration (OSHA) Standards: OSHA establishes workplace safety regulations applicable to various industries, including transportation and railways. Compliance with OSHA standards is important for ensuring the safety of workers involved in the installation, operation, and maintenance of DC ground fault locators.
  • Environmental Protection Agency (EPA) Regulations: EPA regulations may apply to transportation and railway systems industry. These regulations cover environmental aspects such as hazardous waste management, disposal of electronic equipment, and compliance with energy efficiency requirements.
  • State and Local Regulations: Additionally, state and local authorities may have specific regulations governing the transportation and railway systems industry. These regulations can include requirements related to electrical installations, safety standards, and equipment usage, including the use of DC ground fault locators.

GAO Tek’s DC ground fault locators comply or help our customers comply with Canadian government regulations such as:

  • Canadian Electrical Code (CEC): It is published by the Canadian Standards Association (CSA), provides guidelines for electrical installations in Canada. Compliance with the CEC ensures electrical safety and proper installation of DC ground fault locators in the transportation and railway systems industry.
  • Transport Canada Regulations: It is the federal department responsible for transportation policies and regulations in Canada. They oversee the transportation and railway sectors and may have regulations in place that govern electrical systems, safety standards, and equipment usage, including the use of DC ground fault locators. Consulting Transport Canada’s regulations specific to your industry and application is important.
  • Occupational Health and Safety Regulations: Each Canadian province and territory has its own occupational health and safety regulations. These regulations set standards for workplace safety, including electrical safety. Compliance with the relevant provincial or territorial regulations is crucial for ensuring the safe use and implementation of DC ground fault locators in transportation and railway applications.
  • Environmental Regulations: may also be applicable to transportation and railway systems industry in Canada. These regulations address aspects such as waste management, hazardous materials, and environmental protection. Compliance with these regulations ensures proper handling and disposal of equipment, including DC ground fault locators, to minimize environmental impact.


Federal Railroad Administration     

National Electrical Code               


National Fire Protection Association


Occupational Safety and Health Administration


Environmental Protection Agency


Canadian Transportation Agency


Canadian Standards Association (CSA)


Occupational Health and Safety (OHS) 


Canadian Pacific Railway


Railway Safety Act


Chicago Transit Authority


Union Pacific Railroad

Case Studies of DC Ground Fault Locators in Transportation and Railway System Industry

Here are some practical examples of using DC ground fault locators in transportation and railway systems industry:

Implementation of the detection and localization of ground faults in the DC electrical system of a metro rail system using the installation of advanced DC ground fault locators at strategic points along the rail network.

Integration of DC ground fault locators in a Canadian Light Rail Transit (LRT) Network to enhance the electrical system monitoring and fault detection capabilities in a Canadian LRT network.

Integration of state-of-the-art DC ground fault locators into the existing electrical infrastructure of the LRT network enables real-time monitoring and rapid fault identification, allowing for timely maintenance, and minimizing downtime.

Implementation of DC ground fault locators in a US freight railway company to improve the safety and reliability of the DC electrical system in a major freight railway network. Deployment of robust DC ground fault locators at key substations and critical sections of the railway network.

Application of DC ground fault locators in a Canadian Transit bus fleet to enhance the electrical system maintenance and fault detection capabilities in a large transit bus fleet by utilizing the integration of DC ground fault locators into the bus fleet’s electrical systems, including battery packs and charging infrastructure.

Los Angeles County Metropolitan Transportation Authority (LACMTA) to analyze the implementation of DC Ground Fault Locator in LACMTA’s rail network to identify and address ground fault issues, minimizing service disruptions and enhancing passenger safety.

Vancouver SkyTrain to investigate the integration of DC ground fault locator in the SkyTrain rapid transit system to monitor and locate ground faults in the DC power system, facilitating prompt maintenance and minimizing service interruptions.

Metropolitan Transportation Authority (MTA) to examine the application of DC ground fault locator in MTA’s subway and commuter rail systems to improve the detection and resolution of ground faults, ensuring reliable and efficient operations.

The main page of the automotive industry has more information on GAO’s DC ground fault locator and their application in various industries:

DC Ground Fault Locators

Use of DC Ground Fault Locators with Leading Software and Cloud Services in Transportation and Railway Systems Industry

GAO Tek has used or has facilitated its customers to use GAO’s DC ground fault locators with some of the leading software and cloud services in their applications. Examples of such leading software and cloud services include:

  • Fault Detection and Localization Software: This software is designed to work in tandem with DC ground fault locators to detect and locate ground faults in the electrical system of transportation and railway networks. It provides real-time monitoring, analysis, and visualization of fault data.
  • Asset Management Software: This software helps manage and monitor the assets related to the transportation and railway system, including DC ground fault locators. It provides features such as inventory management, maintenance scheduling, and performance tracking.
  • Data Logging and Analysis Software: This software captures, stores, and analyzes data collected by DC ground fault locators. It allows for in-depth analysis of fault events, trending, and reporting to optimize maintenance and improve system reliability.
  • Remote Monitoring and Control Software: This software enables remote access and control of DC ground fault locators installed in the transportation and railway systems industry. It allows operators to monitor the status, receive alerts, and remotely configure the devices.
  • Fault Analysis Software: This software analyzes the data collected by DC ground fault locators to identify and diagnose ground faults in the electrical system of transportation and railway networks. It provides detailed fault analysis, waveform analysis, and fault event characterization.
  • Power Quality Analysis Software: Power quality analysis software works in conjunction with DC ground fault locators to assess the quality and stability of the electrical power in the transportation and railway systems industry. It helps identify issues such as voltage fluctuations, harmonics, and power factor variations.
  • Trend Analysis Software: Trend analysis software processes the historical data captured by DC ground fault locators to identify patterns, trends, and anomalies in ground fault occurrences. It helps predict potential fault risks and optimize maintenance strategies.
  • Data Visualization and Reporting Software: This software provides graphical representation and visualization of data collected by DC ground fault locators. It enables users to generate reports, charts, and graphs to facilitate understanding and communication of fault analysis results.
  • Data Storage and Management: Cloud storage services such as Amazon S3, Google Cloud Storage, Microsoft Azure Blob Storage, and IBM Cloud Object Storage can be used to securely store the historical data captured by DC ground fault locators for trend analysis purposes.
  • Data Analytics and Processing: Cloud-based data analytics platforms like Amazon Elastic MapReduce (EMR), Google Cloud Dataproc, Microsoft Azure HDInsight, and IBM Watson Studio can process the historical data and perform trend analysis algorithms to identify patterns, trends, and anomalies in ground fault occurrences.
  • Machine Learning and Artificial Intelligence: Cloud machine learning services such as Amazon SageMaker, Google Cloud AI Platform, Microsoft Azure Machine Learning, and IBM Watson Machine Learning can be employed to train models and develop predictive algorithms for fault risk prediction based on the historical data.
  • Monitoring and Logging: Cloud monitoring services like Amazon CloudWatch, Google Cloud Monitoring, Microsoft Azure Monitor, and IBM Cloud Monitoring with Sysdig can track the performance of the trend analysis software, monitor data ingestion, and provide real-time alerts for any anomalies or issues.
  • Visualization and Dashboarding: Visualization tools such as Tableau, Power BI, Google Data Studio, and IBM Cognos Analytics create interactive dashboards and reports to present trend analysis results, facilitating the interpretation of ground fault patterns and optimizing maintenance strategies.
  • Predictive Analytics and Modeling: Cloud services like Amazon Forecast, Google Cloud AutoML, Microsoft Azure Machine Learning Studio, and IBM Watson Studio employ predictive analytics and modeling techniques to forecast potential fault risks and recommend proactive maintenance strategies.
  • Geospatial Analytics: Cloud platforms such as Amazon Location Service, Google Maps Platform, Microsoft Azure Maps, and HERE Technologies integrate geospatial data with trend analysis, enabling the identification of spatial patterns and correlations related to ground fault occurrences.
  • Statistical Analysis and Reporting: Cloud-based statistical analysis tools like RStudio Cloud, Google Colab, Jupyter Notebooks on Azure, and IBM SPSS Statistics assist in performing advanced statistical analyses on the historical data from DC ground fault locators, supporting detailed reporting of trend analysis results.
  • Anomaly Detection and Monitoring: Cloud monitoring services such as Amazon CloudWatch, Google Cloud Monitoring, Microsoft Azure Monitor, and IBM Cloud Monitoring with Sysdig enable continuous monitoring and timely detection of anomalies in ground fault occurrences, aiding in maintenance decision-making.
  • Collaboration and Integration: Collaboration platforms like Microsoft Teams, Google Workspace, Slack, and IBM Watson Assistant facilitate team collaboration, data sharing, and integration of trend analysis insights with other systems or applications in the transportation and railway ecosystem.

GAO Tek Has Many Customers in Transportation and Railway System Industry

GAO Tek’s DC ground fault locators have been used by many customers in the transportation and railway systems industry, including some leading companies.

Here are some of the leading companies in the transportation and railway system industry:

  • Union Pacific Corporation: One of the largest railroad companies in the U.S., Union Pacific operates a vast network of freight transportation and logistics services across 23 states in the western two-thirds of the country.
  • BNSF Railway Company: A major freight railroad company, BNSF Railway operates an extensive network covering much of the western and central U.S. It is one of the largest railroads in North America and is owned by Berkshire Hathaway.
  • CSX Corporation: CSX is a transportation company that primarily operates a large freight railroad network in the eastern U.S., serving major markets from the Atlantic Ocean to the Mississippi River.
  • Norfolk Southern Corporation: Norfolk Southern is a Class I railroad company that operates an extensive rail network serving the eastern U.S. from the Atlantic Coast to the Midwest and Gulf Coast.
  • Amtrak: Amtrak is the National Railroad Passenger Corporation, providing intercity passenger rail services across the U.S. It operates over 300 passenger trains daily on various routes.
  • Kansas City Southern Railway: Also known as KCS, this Class I railroad company operates an important rail corridor that connects the central U.S. with Mexico through the Gulf of Mexico.
  • Canadian Pacific Railway (CP): While based in Canada, Canadian Pacific operates an extensive network in the U.S. that connects major cities and ports.
  • Canadian National Railway (CN): Similar to CP, Canadian National operates significant rail infrastructure in the U.S. that links various cities and regions.
  • Genesee & Wyoming Inc.: This company owns and operates short-line and regional freight railroads in the U.S., Canada, Australia, Europe, and other regions.
  • Alaska Railroad Corporation: As the name suggests, this state-owned railroad operates in Alaska, providing freight and passenger services across the state.
  • Canadian National Railway (CN): CN is one of the largest and most prominent Class I railroad companies in Canada. It operates an extensive network of railroads that span across the country, connecting major cities and ports.
  • Canadian Pacific Railway (CP): CP is another major Class I railroad company in Canada. It operates a significant rail network covering various regions in Canada and also extends into the United States.
  • VIA Rail Canada: VIA Rail is Canada’s national passenger railway service. It provides intercity passenger rail services across the country, connecting major cities and regions.
  • Genesee & Wyoming Canada Inc.: A subsidiary of Genesee & Wyoming Inc., this company operates short-line and regional freight railroads in Canada.
  • Toronto Transit Commission (TTC): TTC is the public transit agency that provides subway, bus, and streetcar services in the city of Toronto, Ontario.
  • Metrolinx: Metrolinx is a regional transportation agency that operates commuter rail (GO Transit) and public transit services in the Greater Toronto and Hamilton Area (GTHA).
  • Société de transport de Montréal (STM): STM is the public transit agency responsible for the metro system and bus services in Montreal, Quebec.
  • Canadian American Railroad (C&A): C&A operates rail freight services in various regions of Quebec and Vermont, USA.
  • Railserve: Railserve is a rail service provider that offers switching and logistics services at various locations in Canada.
  • Huron Central Railway (HCRY): HCRY is a short-line freight railway that operates in Northern Ontario, connecting industries to the mainline rail network.


Port Authority of NY and NJ

CSX Corporation


Norfolk Southern Corporation


BNSF Railway Company


Kansas City Southern

Amtrak (National Railroad Passenger Corporation)


Canadian National Railway Company (CN)


Canadian Pacific Railway Limited (CP)

Genesee & Wyoming Inc.


Alaska Railroad Corporation


New York City Transit Authority


Los Angeles County Metropolitan Transportation Authority (Metro)


Bombardier Transportation


TransLink (Greater Vancouver Transportation Authority)


Toronto Transit Commission (TTC)


Bessemer and Lake Erie Railroad


Metrolinx


Réseau de transport de la Capitale (RTC)

CPKC Railway

Southern Pacific Transportation Company


Wisconsin and Southern Railroad


Alaska Railroad

Florida East Coast Railway

Iowa Interstate Railroad

GAO Tek’s DC ground fault locators and their applications in other industries are listed on this page:

dc ground fault locators