Comprehensive Electrical & Automation Services
WJ Cotter Electrical delivers end-to-end electrical engineering and control system solutions for industrial, commercial, and agricultural applications. Our multidisciplinary team handles everything from initial design to final commissioning, ongoing maintenance, and remote support.
Lighting the Way with Quality and Accountability
AUTOMATION & CONTROL SYSTEMS
Transform Your Operations with Intelligent Automation
Our automation specialists design, program, and implement advanced control systems that optimize efficiency, reduce downtime, and provide real-time operational insights. Services include:
PLC Programming, SCADA System Design & Implementation, HMI Development, DCS (Distributed Control Systems), Control Panel Design & Manufacturing, Industrial Automation Integration and Process Control Systems.
ELECTRICAL INFRASTRUCTURE
Reliable Power Distribution & Electrical Systems.
From small upgrades to major installations, our electrical infrastructure services ensure safe, efficient, and compliant power delivery for your facility. Services include: MCC (Motor Control Centres), Main Switchboard Design & Installation, Power Distribution Systems, Electrical Upgrades & Retrofits, Load Analysis & Power Studies, Back-up Power Systems (UPS, generators, etc), Power Factor Correction and Harmonic Filtering.
DRIVE SYSTEMS
Precision Motor Control & Energy Efficiency.
Our drive system expertise helps you achieve better motor control, significant energy savings, and extended equipment life. We design, supply, and install fully integrated drive solutions tailored to your operational requirements, ensuring optimal performance across agricultural, industrial, and manufacturing environments. With a strong focus on reliability and efficiency, our team ensures every system is configured for smooth operation and long-term durability.
INSTRUMENTATION
Reliable instrumentation is essential for process control, safety, and efficiency. We provide complete solutions from selection to commissioning, ensuring every device is specified, installed, calibrated, and integrated for accurate real-time data. With our expert support, your systems stay reliable, compliant, and ready for continuous operation.
Services include: Instrumentation Installation, Sensor & Transmitter Supply, Calibration Services, and Loop Checking & Commissioning.
SPECIALIZED SERVICES & COMPLIANCE
Expert Solutions for Specific Needs -
Certificate of Compliance (CoC). Detailed inspection and testing of existing electrical installations. We identify safety hazards, code violations, and maintenance requirements with comprehensive written reports. Issuing
Official electrical certificates of compliance for new installations, alterations, and property transfers. Our licensed electricians ensure all work meets regulatory requirements.
MAINTENANCE & SUPPORT
Keep your systems running at peak performance with tailored support that maximises reliability and reduces downtime. Our maintenance solutions are designed to keep equipment operating safely, efficiently, and in line with industry standards.
Services include: Preventative Maintenance Contracts (scheduled maintenance programmes), Remote Monitoring & Diagnostics (24/7 remote system monitoring with proactive diagnostics), Spare Parts Supply, and Technical Training for Operators (comprehensive training that empower your team).
Commitment to Skills Development
WJ Cotter Electrical is actively involved in skills development and is SETA-registered for training programmes. We proudly accommodate college and university students, contributing to the development of the next generation of electrical professionals in South Africa.





















