About US

Phase Engineering was founded to bring clarity, reliability, and real engineering expertise to electrical safety and system design. After seeing many companies struggle with inconsistent studies, unclear reports, and confusing compliance requirements, we set out to offer something better.

We provide arc flash studies, coordination studies, short circuit analysis, NFPA 70E consulting, and full electrical design services for projects of all sizes. Our goal is to make engineering support straightforward and dependable, whether you’re upgrading equipment, planning new construction, or improving electrical safety.

We believe good engineering should reduce risk, improve reliability, and give you confidence in your electrical system. That’s the standard we bring to every project.

Contact Us: jaime@phase-eng.com

Our Team

Jaime Arellano, P.E., is a licensed Electrical Engineer with over 10 years of specialized experience in electrical system design, power system modeling, and arc flash hazard analysis. His background includes developing engineered solutions for complex electrical infrastructures, performing detailed short circuit and coordination studies, and guiding organizations through NFPA 70E compliance. Jaime’s work is grounded in rigorous engineering methodology, modern analysis tools, and a commitment to delivering high‑quality results that enhance both safety and operational performance.

Jaime

Hugo Flores, P.E. is a licensed Electrical Engineer, brings over 8 years of specialized experience in electrical design, power distribution planning, and arc flash hazard analysis. His career has centered on developing safe, efficient, and code‑compliant electrical systems for commercial, industrial, and institutional facilities across California and Texas. Hugo’s design work spans new construction, system upgrades, equipment replacements, and complex infrastructure improvements, giving him a deep understanding of how real‑world electrical systems operate from concept through commissioning.

Hugo

Jorge Salazar, Jorge Salazar is a Senior Project Manager with more than 9 years of experience leading complex projects across commercial, industrial, and infrastructure environments. He holds a Bachelor of Science (BS) in Business Administration and Management, giving him a strong foundation in organizational leadership, operations, and strategic planning. This combination of business expertise and hands‑on project management experience allows Jorge to bridge the gap between technical execution and client‑focused delivery.

Jorge
`

Services

Arc Flash Study, is crucial for increasing awareness of arc-flash hazards within a facility. By identifying and mitigating arc-flash risks, the study ensures better protection for equipment and significantly boosts personnel safety. Additionally, performing an arc-Flash Study ensures compliance with key regulatory requirements, including NEC Article 110.16, NFPA 70E, and OSHA standards.

Short-Circuit Study, is essential for identifying underrated or overstressed electrical equipment before extensive system damage occurs. By analyzing available fault currents throughout the distribution system, the study ensures that protective devices and equipment ratings are properly matched to real operating conditions.

Coordination Study, is used to enhance equipment protection and ensuring that protective devices trip in the correct sequence. This coordination increases facility reliability by confining the impact of disturbances, such as faults or overloads, to smaller areas of the distribution system.

Arc Flash Safety Training (NFPA 70E), onsite course provides a comprehensive overview of the hazards associated with working on or near electrical conductors and equipment. The course places special emphasis on arc flash hazards and outlines the regulatory requirements for protecting employees from these dangers.

Power Factor Correction, can help reduce your electric bill by identifying the optimal location and size of power factor correction capacitors.

Arc Flash

Is a sudden release of thermal energy caused by a fault or short circuit that travels through the air. This event can produce extremely high temperatures, intense light, pressure waves, and molten metal, creating a severe hazard for anyone working on or near energized electrical equipment. Arc flash incidents can result in serious injuries, equipment damage, and extended downtime.

What Is an Arc Flash Study?

An arc flash study is an engineering analysis in which the electrical system is modeled using specialized software such as SKM or EasyPower. The software calculates incident energy levels, determines arc flash boundaries, and identifies the appropriate personal protective equipment (PPE) required for workers. After the system is modeled, the engineer reviews the results and adjusts equipment settings or provides recommendations to reduce incident energy levels and improve overall electrical safety.

When Is an Arc Flash Study Required?

For new buildings:
When Division 26 05 73 is part of the specifications package, it requires both a protective device coordination study and an arc flash study. These studies are typically completed before ordering electrical equipment because they rely on the final equipment ratings, protective devices, and the overall electrical system configuration. Completing the studies early ensures the system is properly coordinated and that incident energy levels are evaluated before procurement. The AHJ such as the electrical inspector may deny approval and withhold the Certificate of Occupancy until the labels are installed.

For existing buildings:
OSHA is the law it requires employers to protect workers from electrical hazards.
OSHA 1910.335(a)(1)(i), employees working in areas with potential electrical hazards must be provided with, and must use, electrical protective equipment appropriate for the body parts at risk and the work being performed.

NFPA 70E provides the detailed methods OSHA expects employers to follow. Section 130.5 requires an arc flash risk assessment to be performed to identify arc flash hazards, estimate the likelihood and potential severity of injury, and determine whether additional protective measures are required, including the use of PPE.

How to choose a company for arc flash studies?

Make sure they have P.E. Electrical Engineers to the stamp final report. Each panel should show up in the coordination study I.E. Time current curves (TCC) plots. Data collection is a major hurdle because many of times the correct system information is not gathered due to untrained electricians. Phase engineering always sends a P.E. Electrical engineer to gather data with an electrician as support to open panel covers.

What an arc flash label looks like?

 aflabel

History

This are the projects our team has been involved in.

Data Centers

AT&T Fairfield data center: Arc flash study completed site visits in 2019 to gather system information on more than 800 buses. The electrical distribution system was modeled using EasyPower to perform the required engineering studies.

AT&T Winton Data Center: Arc flash study completed site visits in 2018 to gather system information, this project involved highly complex electrical distribution systems with more than 1,000 buses and a wide variety of equipment, including UPS systems, PDUs, MCCs, switchgear, switchboards, panelboards, individual motors, and generators.

Multiple sites

PG&E 94 sites: arc flash studies conducted in 94 facilities with panel count range of 20-300 in each facility this was completed within 2 years. The project was a sub-project to a large generator resiliency electrical design project. The project included coordinating with multiple electrical contractors to gather on-site data. The sites were divided into 6 groups and 6 different contractors. The task included communicating effectively with each contractor and personnel on what information would be collected and reviewing the data received. The sites were located across California so a thorough data collection effort was required since it would be difficult for the contractors to return to gather missing data. A system model was then developed using a combination of site data, as-builts, and shop drawings. The short-circuit, coordination, and arc-flash calculations were developed. Equipment evaluation, coordination recommendations, and arc-flash mitigation recommendations were added to the report and explained to the customer. After approval from the customer, arc-flash labels were printed and installed on the electrical equipment.

PG&E Hilltop projects: Arc flash studies conducted in remote mountain locations, phase one 24 sites completed in 2021 Phase two 17 sites completed in November 2023

Los Angeles Sanitation District : Joint Water Pollution Control Plant Arc-Flash Studies Scope: Lead electrical engineer performing comprehensive arc-flash study for 13 sites, including site visits, data collection, system modeling, and label installation.

NASA : Neil A. Armstrong Flight Research Center and Edwards Air Force Base arc-flash study Completed in July 2022.

electrical safety training

LAX arc-flash and electrical safety training: Trained 30 students in Electrical safety and arc-flash awareness. The scope of the work consisted in providing 6 arc-flash safety training session. The training varied from 8-hour sessions for new employes that had no previous arc-flash training and 4- hour sessions for employees that need their yearly refresher training. The training included material from NFPA 70E, Proper selection of PPE, Proper installation of PPE, and hands on training for LOTO procedures.

JamesHardie zero harm training: Trained 500 students in Electrical safety and arc-flash awareness. Coordinated with JamesHardie safety department. The training included material from NFPA 70E and site specific electrical safety policies.

Elements

Text

This is bold and this is strong. This is italic and this is emphasized. This is superscript text and this is subscript text. This is underlined and this is code: for (;;) { ... }. Finally, this is a link.

Heading Level 2

Heading Level 3

Heading Level 4

Heading Level 5
Heading Level 6

Blockquote

Fringilla nisl. Donec accumsan interdum nisi, quis tincidunt felis sagittis eget tempus euismod. Vestibulum ante ipsum primis in faucibus vestibulum. Blandit adipiscing eu felis iaculis volutpat ac adipiscing accumsan faucibus. Vestibulum ante ipsum primis in faucibus lorem ipsum dolor sit amet nullam adipiscing eu felis.

Preformatted

i = 0;

while (!deck.isInOrder()) {
    print 'Iteration ' + i;
    deck.shuffle();
    i++;
}

print 'It took ' + i + ' iterations to sort the deck.';

Lists

Unordered

  • Dolor pulvinar etiam.
  • Sagittis adipiscing.
  • Felis enim feugiat.

Alternate

  • Dolor pulvinar etiam.
  • Sagittis adipiscing.
  • Felis enim feugiat.

Ordered

  1. Dolor pulvinar etiam.
  2. Etiam vel felis viverra.
  3. Felis enim feugiat.
  4. Dolor pulvinar etiam.
  5. Etiam vel felis lorem.
  6. Felis enim et feugiat.

Icons

Actions

Table

Default

Name Description Price
Item One Ante turpis integer aliquet porttitor. 29.99
Item Two Vis ac commodo adipiscing arcu aliquet. 19.99
Item Three Morbi faucibus arcu accumsan lorem. 29.99
Item Four Vitae integer tempus condimentum. 19.99
Item Five Ante turpis integer aliquet porttitor. 29.99
100.00

Alternate

Name Description Price
Item One Ante turpis integer aliquet porttitor. 29.99
Item Two Vis ac commodo adipiscing arcu aliquet. 19.99
Item Three Morbi faucibus arcu accumsan lorem. 29.99
Item Four Vitae integer tempus condimentum. 19.99
Item Five Ante turpis integer aliquet porttitor. 29.99
100.00

Buttons

  • Disabled
  • Disabled

Form