July 6th, 2025 – When working inside an industrial facility, power reliability isn’t just an operational preference—it’s a safety requirement. This is especially true in an ammonia compressor room, where chemical safety protocols leave zero room for electrical failure or overheating hazards.
During the July 4th holiday shutdown in 2025, CTS tackled a high-stakes, high-efficiency electrical overhaul, replacing an outdated infrastructure with a modern distribution setup—all within a tight two-day window.




Existing fused disconnects and gutters in the compressor room before demo and during the main cable pulls.
The plant’s existing system had served its time, but it presented two growing liabilities: outdated fused disconnects and overcrowded electrical gutters. Aging disconnect switches posed ongoing maintenance headaches and increased the risk of uncoordinated tripping and thermal failure under heavy load, both problems the facility had been struggling with for years. On top of that, years of additions and modifications had left the electrical wireways congested. Excess wire density in tight gutters causes heat retention, complicated troubleshooting, and created safety risks for maintenance technicians.




Demo of the fused disconnects and removal of most of the existing cable.
With the facility relying on the compressor room for critical process cooling, any major upgrade had to happen without causing unscheduled downtime. The plant’s scheduled 4th of July 2025 shutdown offered the only viable window, requiring CTS to complete a complete system swap in just 48 hours.




MDP install with new gutter and sub panel.
CTS planned and executed a complete overhaul centered on modern equipment and clean containment pathways. First, CTS eliminated the legacy fused disconnect arrangement and centralized the room’s power delivery into a modern Panelboard MDP. This upgrade streamlined circuit protection, improved operator access, and provided clear, safe isolation points. Second, the overcrowded gutters were removed entirely. CTS replaced them with a combination of high-capacity rigid/EMT conduit runs and open wire basket tray systems. This transition drastically improved airflow around the conductors, simplified line tracing, and allowed for future expansion without clutter.




Installation of new MDP, gutter and sub-panels with cables pulled.
Taking down the electrical backbone of an ammonia refrigeration system requires meticulous coordination. Working continuously across the 2-day shutdown, the CTS crew disconnected the old infrastructure, demoed the legacy gutters and disconnects, mounted the new MDP, and routed all new conduit and wire basket pathways. By the time the plant was ready to bring the compressor room back online post-holiday, the new electrical system was fully landed, tested, and ready for service. Through precise prep work and dedicated turnaround execution, CTS transformed a vulnerable, aging utility area into a clean, code-compliant, and reliable power station built for future upgrades and code compliance.
