Alard Electrical Ltd offers a wide range of Electrical Preventative Maintenance Programmes covering all LV Electrical distribution components.

• Maintainence and Repairs
• Battery Banks
• Branch Circuit Breaker Panel
• Bus Duct
• Combination Starter Motor
• Disconnect Safety Switches
• Distribution Panel
• Emergency Exit Lighting

DISTRIBUTION PANEL: FUNCTION & MAINTENANCE

Distribution Panels are typically large panels or assembly of panels installed as part of the main entrance switchgear or installed separately through a building. Distribution panels are > 400 amps.

PURPOSE:

The distribution panel distributes power throughout the building, supplying power to motor starters, branch circuit breaker panels and other control devices.

TYPICAL PREVENTIVE MAINTENANCE TASKS:

Typical Energised Maintenance Tasks:

• Perform Visual Inspection of Interior
• Note National (Or Other Appropriate) Electrical Safety Code Violations/Hazardous Conditions.
• Check for Proper Grounding
• Perform Ultrasonic Testing
• Perform Infrared Thermography
• Check, Record and Compare Voltage
• Check, Record and Compare Current
• Check, Record and Compare Harmonic Current
• Check, Record and Compare Power Factor
• Clean Exterior of Unit

Recommended Frequency:

Annually or as required by application and/or condition of equipment.

Typical De-Energised Maintenance Tasks:

• Visual Inspection of Interior
• Tighten Fuse Holders
• Assure all Bus Bar Connections are Torqued to Proper Specification or Perform Contact Resistance Test
• Clean Bus Bars and Insulators
• Perform Insulation Resistance Tests

Recommended Frequency:

No less than once every three years for all tasks (more frequent for older facilities).