A Complete Guide to 2 Way Pvc Compartment Trunking: Specifications, Types, and Applications

Types of 2-Way PVC Compartment Trunking

2-way PVC compartment trunking is a versatile cable management solution designed to safely organize and protect two separate sets of electrical wiring within a single conduit system. Widely used in residential, commercial, and industrial installations, these trunking systems provide efficient separation, reduce electromagnetic interference, and enhance overall safety. Available in various designs and configurations, they cater to different installation needs—from tight spaces to high-traffic areas.

Half-Moon 2-Way PVC Trunking

Characterized by its dual semicircular cross-section, this trunking resembles two half-circles joined side by side. The unique geometry allows for two independent cable compartments in a compact profile.

Advantages

• Space-efficient design ideal for narrow or confined areas
• Clear separation of circuits prevents cross-interference
• Easy to install along baseboards or curved surfaces
• Smooth internal surface reduces cable friction during pulling

Limitations

• Limited capacity compared to rectangular designs
• May require additional supports for longer runs
• Less aesthetic appeal in exposed installations

Best for: Residential wiring, retrofit installations, tight corners, and low-profile routing

Flexible 2-Way PVC Trunking

Made from pliable PVC material, this trunking can bend and twist to follow complex paths without joints or connectors, making it perfect for non-linear routes.

Advantages

• High flexibility allows routing around obstacles and curves
• Reduces the need for multiple fittings and connectors
• Ideal for dynamic environments with moving parts or vibrations
• Enables clean, continuous cable runs with minimal disruption

Limitations

• Less structural rigidity than rigid trunking
• Potential for kinking if bent beyond minimum radius
• May require additional clamps for secure mounting

Best for: Industrial machinery, control panels, robotic systems, and irregular pathways

2-Way PVC Trunking with Cover

This design features a snap-on or screw-on protective lid that fully encloses the dual compartments, offering enhanced protection and a finished appearance.

Advantages

• Superior protection against dust, moisture, and physical impact
• Prevents accidental contact with live wires
• Minimizes electromagnetic interference between circuits
• Easy access for maintenance and future upgrades

Limitations

• Slightly more time-consuming to install and access
• Cover may become brittle over time in UV-exposed areas
• Potential for cover warping if over-tightened

Best for: Commercial buildings, outdoor installations, high-dust environments, and safety-critical applications

Screw-Fixing 2-Way PVC Trunking

Designed for permanent mounting, this trunking uses screws through pre-drilled holes for secure attachment to walls, ceilings, or equipment.

Advantages

• Extremely secure and tamper-resistant installation
• Resistant to vibration and movement in high-traffic areas
• Suitable for heavy cable loads and long horizontal runs
• Compatible with a wide range of mounting surfaces (concrete, wood, metal)

Limitations

• More labor-intensive installation process
• Permanent fix may complicate future reconfiguration
• Requires drilling, which may damage surfaces

Best for: Industrial facilities, public infrastructure, data centers, and vandal-prone areas

Type	Flexibility	Protection Level	Installation Ease	Best Use Case
Half-Moon	Low	Medium	High	Compact indoor spaces, residential wiring
Flexible	Very High	Medium	Medium	Complex routing, machinery, moving parts
With Cover	Low	High	Medium	Outdoor, dusty, or safety-sensitive areas
Screw-Fixing	Low	High	Low	Permanent, heavy-duty, or secure installations

Expert Tip: When installing screw-fixing trunking, use plastic anchors in masonry walls to ensure a durable hold. For flexible trunking, avoid sharp bends—maintain a bending radius of at least 5 times the trunking diameter to prevent kinking and cable damage.

Industrial Applications of 2-Way PVC Compartment Trunking

Two-way PVC compartment trunking is a versatile and durable cable management solution widely used across industrial and commercial environments. Engineered to provide safe, organized, and efficient routing of electrical wiring, this system plays a critical role in enhancing operational safety, simplifying maintenance, and extending the lifespan of sensitive electrical components. Its unique dual-compartment design allows for the segregation of different cable types, minimizing interference and improving system reliability.

Cable Management in Industrial Facilities

In industrial settings, managing a vast network of electrical cables for machinery, lighting, control systems, and power distribution is a significant challenge. Two-way PVC compartment trunking offers an effective solution by providing a structured pathway for organizing multiple cables within a single housing. The dual-channel design enables the separation of power, data, and signal cables, reducing electromagnetic interference (EMI) and crosstalk that can disrupt sensitive equipment.

By concealing and routing cables neatly along walls, ceilings, or equipment frames, the trunking eliminates the hazards of exposed wiring—such as tripping, accidental disconnections, or damage from moving parts. This organized approach not only enhances workplace safety but also streamlines troubleshooting and system upgrades. Additionally, proper airflow within the trunking helps dissipate heat, reducing the risk of cable overheating and insulation degradation, thereby extending the service life of the wiring system.

Key Benefits in Cable Management

• Space Efficiency: Maximizes usable space by enabling vertical and horizontal cable routing without clutter.
• EMI Reduction: Separates high-voltage and low-voltage circuits to prevent signal interference.
• Easy Access: Removable covers allow quick inspection, modification, or repair of wiring.
• Scalability: Designed to accommodate additional cables as facility needs evolve.

Common Industrial Use Cases

• Assembly lines and production floors
• Control rooms and electrical substations
• Conveyor systems and automated machinery
• Lighting circuits in large manufacturing halls

Protecting Cables from Industrial Hazards

Industrial environments often expose electrical wiring to harsh conditions, including chemical spills, extreme temperatures, mechanical impacts, and abrasive materials. Two-way PVC compartment trunking acts as a robust protective barrier, shielding internal cables from these threats. Made from high-grade polyvinyl chloride (PVC), the trunking is inherently non-conductive, flame-retardant, and resistant to corrosion—making it ideal for use in chemical plants, food processing units, and metal fabrication facilities.

The material’s resilience to oils, solvents, and mild acids ensures long-term durability even in aggressive environments. Furthermore, its impact resistance protects cables from accidental knocks by forklifts, tools, or heavy equipment. The sealed design also prevents dust, moisture, and debris from entering the compartments, maintaining the integrity of the electrical system and reducing the risk of short circuits or equipment failure.

Hazard Type	Protection Provided by PVC Trunking	Recommended Application
Chemical Exposure	Resistant to acids, alkalis, and solvents	Chemical processing plants, laboratories
Physical Impact	High impact strength with reinforced walls	Workshops, warehouses, construction zones
Temperature Fluctuations	Stable performance from -25°C to +60°C	Foundries, cold storage facilities
Moisture & Dust	Sealed joints and tight-fitting covers	Outdoor installations, food processing units

Installation in Machine Control Systems

Modern industrial machine control systems rely on a complex network of sensors, actuators, PLCs (Programmable Logic Controllers), and HMI (Human-Machine Interface) panels—all requiring precise and reliable electrical connections. Two-way PVC compartment trunking is particularly well-suited for these applications due to its ability to maintain signal integrity and mechanical stability.

The dual compartments allow for the physical separation of control signals (e.g., 24V DC) and power lines (e.g., 415V AC), preventing noise transmission that could cause false triggering or data errors. Its flexibility in routing enables installation along robotic arms, CNC machines, and conveyor tracks, even in tight or dynamic spaces. Moreover, the trunking’s resistance to vibration ensures that internal cables remain secure and undamaged in high-movement environments, minimizing unplanned downtime and maintenance costs.

Advantages in Control Systems

• Prevents signal interference in sensitive automation circuits
• Supports modular wiring for easy system expansion
• Withstands continuous vibration and mechanical stress
• Compatible with standard mounting brackets and accessories

Typical Installations

• PLC cabinets and control panels
• Robotics and automated assembly lines
• Packaging and material handling systems
• Process control instrumentation

Power Distribution in Commercial Buildings

Commercial buildings—including offices, retail centers, warehouses, and shopping malls—require efficient and scalable power distribution systems to support lighting, HVAC, IT infrastructure, and point-of-sale equipment. Two-way PVC compartment trunking provides a neat, professional, and future-ready solution for managing these diverse electrical circuits.

The trunking enables centralized routing of power and lighting cables from distribution boards to various zones, maintaining clear and unobstructed pathways. Its dual-channel design allows for simultaneous routing of main power feeds and emergency lighting circuits, ensuring compliance with safety regulations. The system also supports structured cabling for data networks when installed alongside communication trunking.

One of the key advantages in commercial applications is scalability. As businesses expand or reconfigure their layouts, additional cables can be added without major retrofitting. This adaptability makes PVC trunking a cost-effective long-term investment. Additionally, its smooth, clean appearance contributes to a professional aesthetic, especially in exposed installations such as retail storefronts or open-plan offices.

Important: When installing PVC compartment trunking, always follow local electrical codes and manufacturer guidelines. Avoid overfilling the compartments to ensure proper heat dissipation and ease of maintenance. Use appropriate fire-rated accessories in high-risk areas, and ensure all joints are securely fastened to maintain mechanical and environmental protection.

Product Specifications and Features of 2-Way PVC Compartment Trunking

2-way PVC compartment trunking is a versatile and reliable solution for organizing, protecting, and routing electrical cables in residential, commercial, and industrial environments. Designed with durability and ease of use in mind, this trunking system offers a clean, professional appearance while ensuring long-term protection for sensitive wiring. Its dual-channel design allows for separation of power and data cables, reducing interference and enhancing safety.

Durable Construction

Constructed from high-grade polyvinyl chloride (PVC), 2-way trunking is engineered for long-term resilience in diverse environments. The material is inherently impact-resistant, minimizing damage from accidental knocks or vibrations.

• Resists abrasion, UV exposure, and common chemical spills, making it suitable for both indoor and sheltered outdoor use
• Non-conductive properties enhance electrical safety by preventing short circuits
• Withstands mechanical stress during installation and daily use, reducing the risk of cracking or deformation

Key benefit: Long service life with minimal degradation under normal operating conditions

Compact & Space-Efficient Design

The slim, low-profile design of 2-way PVC trunking makes it ideal for installations in confined or aesthetically sensitive areas such as offices, homes, and retail spaces.

• Narrow footprint allows flush mounting along walls, baseboards, or ceilings without obstructing foot traffic or furniture placement
• Two separate internal compartments enable organized routing of different cable types (e.g., power and data) to prevent electromagnetic interference
• Available in various widths and depths to match project-specific cable loads

Design advantage: Maintains a clean, unobtrusive appearance while maximizing functionality

Heat Resistance & Thermal Management

PVC trunking is formulated to handle moderate heat levels generated by electrical cables, helping maintain safe operating temperatures.

• Material has a high melting point (typically above 100°C), reducing fire risk in overloaded circuits
• Internal airflow within compartments aids in heat dissipation, preventing hotspots
• Self-extinguishing properties meet standard fire safety regulations (e.g., IEC 60754, BS EN 61034)

Safety note: Avoid direct installation near high-temperature sources like heaters or boilers

Easy Installation Process

Designed for quick and tool-efficient setup, 2-way PVC trunking reduces labor time and complexity.

• Includes pre-drilled holes or adhesive backing for secure mounting on wood, drywall, or concrete
• Can be cut with standard hand tools (e.g., hacksaw or utility knife) for custom lengths
• Features snap-on covers for fast access during maintenance or upgrades

Time-saving tip: Use mounting brackets for uneven surfaces to ensure alignment and stability

Modular & Scalable System

The modular nature of PVC trunking supports flexible configurations that can evolve with changing infrastructure needs.

• Sections can be easily joined using connectors or T-junctions for complex routing paths
• Extensions, bends, and end caps are widely available for seamless integration
• Ideal for retrofitting in existing buildings or expanding networks without major renovations

Ideal for: IT offices, educational institutions, and smart home installations requiring frequent updates

Environmental & Aesthetic Benefits

Beyond functionality, 2-way PVC trunking contributes to a safer and more professional environment.

• Smooth surface resists dust accumulation and is easy to wipe clean
• Available in multiple colors (white, grey, beige) to blend with interior décor
• Reduces tripping hazards and protects cables from accidental disconnection or rodent damage

Eco note: PVC is recyclable, and many manufacturers now offer low-halogen or flame-retardant variants

Professional Recommendation: For optimal performance, choose trunking with integrated grounding strips when handling sensitive electronics. Always leave 20–30% spare capacity in each compartment to accommodate future cable additions and ensure proper airflow.

Step-by-Step Installation Guide

1. Plan the Layout: Determine cable types, quantities, and routing path. Mark start and end points on the wall or surface.
2. Measure and Cut: Use a measuring tape and pencil to mark the required length. Cut the trunking with a fine-tooth saw for clean, straight edges.
3. Prepare the Surface: Clean the mounting area thoroughly. For adhesive mounting, lightly sand glossy surfaces to improve adhesion.
4. Mount the Trunking Base: Apply construction adhesive or insert screws through pre-drilled holes. Use a level to ensure straight alignment.
5. Route the Cables: Place cables into their respective compartments, avoiding sharp bends. Maintain separation between power and signal cables.
6. Attach the Cover: Snap or clip the cover securely into place. Ensure all edges are sealed to prevent dust ingress.
7. Test and Inspect: Power up the system and verify all connections. Check for loose cables or gaps in the trunking.

Pro tip: Label both ends of each cable before closing the trunking to simplify future troubleshooting.

Maintenance and Repair Guidelines

• Regular Inspections: Conduct quarterly visual checks for cracks, warping, or discoloration caused by UV exposure or heat.
• Cleaning: Wipe exterior with a damp cloth and mild detergent. For internal cleaning, remove the cover and vacuum debris or use compressed air.
• Cable Health Monitoring: Inspect for frayed insulation, overheating signs (melting, discoloration), or corrosion—replace damaged cables immediately.
• Repair Minor Damage: Small scratches or dents can be filled with PVC-compatible sealant. Severely damaged sections should be replaced.
• Hardware Check: Tighten loose screws or replace corroded brackets every 6–12 months, especially in humid environments.
• Follow Manufacturer Guidelines: Adhere to recommended maintenance intervals and compatible accessories to preserve warranty coverage.

Preventive advice: In high-moisture areas (e.g., basements), consider trunking with enhanced moisture resistance or add desiccant packs inside compartments.

Feature	Specification	Benefit
Material	Rigid PVC (Polyvinyl Chloride)	Durable, flame-retardant, and electrically insulating
Temperature Range	-10°C to +60°C	Suitable for most indoor environments
Fire Rating	Self-extinguishing (V-0 or V-1 per UL 94)	Reduces fire propagation risk
Dimensions (Typical)	40mm x 20mm, 60mm x 30mm, etc.	Fits various cable loads and spaces
Installation Method	Adhesive, screws, or clips	Flexible mounting options
Color Options	White, Grey, Beige, Black	Blends with interior design

Final Tip: Always purchase trunking from reputable suppliers that provide compliance documentation (e.g., CE, RoHS). This ensures the product meets safety, environmental, and performance standards essential for commercial and industrial applications.

Quality and Safety Considerations of 2-Way PVC Compartment Trunking

2-way PVC compartment trunking is widely used in commercial, industrial, and residential electrical installations due to its versatility, cost-effectiveness, and ease of installation. However, ensuring its long-term safety, durability, and performance requires careful attention to quality standards, proper installation practices, and ongoing maintenance. This comprehensive guide outlines the key considerations for maximizing the safety and efficiency of your PVC trunking system.

Safety Warning: Electrical installations involving trunking must comply with local regulations and be performed or inspected by qualified personnel. Improper installation or maintenance can lead to fire hazards, electrical shocks, or system failures.

Ensure Proper Installation for Safety and Longevity

Proper installation is the foundation of a safe and effective 2-way PVC compartment trunking system. When installed correctly, it ensures optimal cable organization, minimizes mechanical stress on both the trunking and conductors, and significantly reduces the risk of safety incidents.

Key installation best practices include:

• Secure the trunking at regular intervals using manufacturer-recommended mounting clips or brackets to prevent sagging or dislodgement.
• Ensure all joints and end caps are tightly fitted to protect against dust, moisture, and accidental contact with live wires.
• Route cables neatly within the compartments to avoid sharp bends, kinks, or excessive tension.
• Use appropriate mounting hardware suited to the surface (e.g., wall type, ceiling structure) and environmental conditions (indoor vs. outdoor).
• Never exceed the recommended cable fill capacity—overcrowding restricts airflow and increases the risk of overheating, which can degrade insulation and potentially lead to electrical fires.
• Leave adequate space for future maintenance and cable additions without compromising safety clearances.

Expert Tip: Follow a consistent installation pattern (e.g., horizontal runs at standard heights, vertical drops at access points) to improve aesthetics and simplify troubleshooting during future upgrades or repairs.

Select Durable, High-Quality Materials

The durability of PVC trunking directly impacts its performance, especially in demanding environments. While standard PVC offers good resistance to moisture and corrosion, selecting enhanced-grade materials ensures long-term reliability.

When sourcing 2-way PVC trunking, consider the following material enhancements:

• UV-resistant PVC: Essential for outdoor installations or areas exposed to direct sunlight. UV protection prevents brittleness, discoloration, and cracking over time.
• Increased wall thickness: Thicker-walled trunking provides better mechanical strength, impact resistance, and improved fire performance.
• Flame-retardant additives: Look for trunking that meets fire safety standards (e.g., IEC 60332) to limit flame spread in case of overheating.
• Chemical resistance: In industrial settings, ensure the PVC formulation can withstand exposure to oils, solvents, or cleaning agents.

Investing in high-quality materials not only enhances safety by reducing the likelihood of electrical faults but also delivers long-term cost savings by minimizing replacements, downtime, and repair costs.

Conduct Regular Inspection and Monitoring

Regular inspection is critical to maintaining the integrity and safety of a 2-way PVC compartment trunking system. A proactive maintenance schedule helps detect early signs of wear, damage, or environmental degradation before they escalate into serious hazards.

Recommended inspection practices include:

• Perform visual inspections at least once a year—or more frequently in harsh environments (e.g., factories, high-traffic areas).
• Check for visible damage such as cracks, splits, warping, or discoloration, which may indicate UV degradation or thermal stress.
• Inspect internal cables for fraying, insulation wear, corrosion, or signs of overheating (e.g., melted sheathing).
• Ensure that all mounting points remain secure and that no sections have become loose or detached.
• Pay special attention to trunking installed near heat sources such as machinery, lighting fixtures, or HVAC units, as prolonged exposure to high temperatures can soften or deform PVC.
• Verify that compartments remain clean and free from debris, pests, or unauthorized modifications.

Early detection of issues allows for timely repairs, reducing the risk of electrical faults, fire hazards, or service interruptions.

Adhere to Electrical Code Standards and Regulations

Compliance with local and national electrical codes (such as the NEC in the U.S., IEC standards, or BS 7671 in the UK) is not optional—it is a legal and safety imperative. These standards govern critical aspects of trunking system design and installation, including:

• Maximum cable fill ratios to prevent overheating
• Proper grounding and bonding requirements
• Separation of power and data cables to avoid interference
• Fire-stopping measures in wall or floor penetrations
• Clear labeling and accessibility for maintenance

Following these codes ensures that your installation meets recognized safety benchmarks and reduces the risk of electrical overloads, short circuits, and fire outbreaks.

Beyond safety, compliance offers additional benefits:

• Reduces legal liability in the event of an incident or audit.
• Facilitates insurance approval and may lower premiums.
• Prevents costly retrofits required to bring non-compliant systems up to code.
• Enhances professional credibility for contractors and facility managers.

Safety Factor	Best Practices	Risks of Neglect	Recommended Frequency
Installation Quality	Use proper fasteners, avoid overfilling, secure joints	Sagging, cable damage, fire risk	During initial setup and after modifications
Material Durability	Select UV-resistant, thick-walled, flame-retardant PVC	Cracking, warping, reduced lifespan	At time of purchase and replacement
System Inspection	Check for cracks, heat damage, cable wear	Electrical faults, fire hazards	Annually (or quarterly in industrial settings)
Code Compliance	Follow local regulations for fill ratio, grounding, separation	Fines, system shutdown, liability	During design, installation, and major upgrades

Maintenance Tip: Keep a log of all inspections and repairs, including dates, findings, and actions taken. This documentation supports compliance, aids in predictive maintenance, and provides valuable insights during audits or insurance claims.

Final Recommendations

• Always source PVC trunking from reputable manufacturers with certifications (e.g., CE, RoHS, UL).
• Train personnel on proper handling and installation techniques to avoid accidental damage.
• Integrate trunking inspections into broader facility maintenance programs.
• Consult a licensed electrician for complex installations or when upgrading existing systems.
• Stay updated on changes to electrical codes and industry best practices.

By prioritizing quality materials, correct installation, routine monitoring, and regulatory compliance, you can ensure that your 2-way PVC compartment trunking system remains safe, efficient, and reliable for years to come. Remember: a well-maintained trunking system isn’t just about organization—it’s a critical component of your overall electrical safety strategy.

Frequently Asked Questions About PVC Compartment Trunking

Q1. Can two-way PVC compartment trunking be used outdoors?

Yes, two-way PVC compartment trunking can be used in outdoor environments, but several environmental factors must be considered to ensure long-term durability and performance.

• UV Resistance: Prolonged exposure to direct sunlight can cause standard PVC to degrade, become brittle, or discolor. For outdoor installations, always select UV-stabilized or UV-resistant PVC trunking designed to withstand solar radiation.
• Temperature Extremes: Outdoor temperatures can vary significantly. High-quality PVC trunking should be rated for both high heat (to prevent softening) and low temperatures (to avoid cracking in cold climates).
• Chemical Exposure: In industrial or coastal areas, the trunking may be exposed to salt spray, moisture, or airborne chemicals. Choose PVC formulations that offer enhanced resistance to corrosion and chemical degradation.
• Weatherproof Sealing: Ensure that joints and end caps are properly sealed to prevent water ingress, which could lead to moisture buildup and damage to enclosed cables.

By selecting the appropriate grade of PVC trunking and following proper installation practices, you can achieve reliable outdoor cable management that lasts for years.

Q2. How to determine the right size of the PVC trunking?

Selecting the correct size of PVC trunking is essential for efficient cable management, ease of maintenance, and compliance with electrical safety standards. Follow these guidelines to choose the optimal size:

• Cable Count and Diameter: Calculate the total number and thickness of cables (including insulation) that will be routed through the trunking. A common rule is to fill no more than 60% of the internal cross-sectional area to allow for heat dissipation and future upgrades.
• Type of Cables: Power cables generate more heat than data or telecom cables. Mixing cable types requires additional spacing to prevent overheating and electromagnetic interference.
• Future Expansion: Plan for at least 20–30% extra capacity to accommodate future additions without needing to replace the entire trunking system.
• Bend Radius: Larger trunking helps maintain proper bend radii for sensitive cables like fiber optics, reducing the risk of signal loss or physical damage.
• Aesthetic and Space Constraints: While oversized trunking may seem safe, it can look unprofessional and make cable organization difficult due to excessive slack.

Consult manufacturer charts or use online cable fill calculators to match your cable load with the appropriate trunking dimensions for optimal performance and safety.

Q3. Is compartment trunking flame-resistant?

Yes, most PVC compartment trunking is inherently flame-resistant due to the chemical composition of polyvinyl chloride (PVC), making it a preferred choice for both residential and commercial installations.

• Self-Extinguishing Properties: PVC does not support combustion and will typically stop burning once the flame source is removed, helping to contain fires and reduce flame spread.
• Fire Safety Standards: High-quality PVC trunking complies with international fire safety regulations such as IEC 60332 (flame propagation test) and is often rated as low smoke zero halogen (LSZH) or flame retardant (FR).
• Smoke Emission: While PVC resists fire, it can emit dense smoke when burned. For high-occupancy or sensitive environments (e.g., hospitals, schools), consider LSZH alternatives that produce less toxic fumes.
• Installation Context: Always verify that the trunking meets local building codes and fire safety requirements, especially in concealed spaces or plenum areas.

When properly selected and installed, PVC compartment trunking contributes significantly to overall fire safety in electrical systems.

Q4. How often should the trunking system be inspected?

Regular inspection of your PVC trunking system is crucial for maintaining electrical safety, preventing downtime, and extending the lifespan of your cabling infrastructure.

• Annual Inspections: Conduct a comprehensive visual and functional check at least once per year. Look for signs of physical damage, deformation, discoloration (indicative of UV or heat exposure), or loose fittings.
• Environmental Monitoring: In harsh environments (industrial sites, outdoor locations, high-humidity areas), consider semi-annual inspections to catch early signs of wear or corrosion.
• Cable Overcrowding: Ensure cables are not overpacked, which can lead to overheating and reduced airflow. Reorganize or upgrade trunking if needed.
• Seal Integrity: Check that end caps, joints, and entry points remain sealed to prevent dust, moisture, or pests from entering the system.
• Post-Installation or Renovation Checks: After any building modifications or new cable installations, inspect the trunking to confirm proper routing and secure fastening.

Early detection of issues not only enhances safety but also reduces repair costs and prevents potential electrical failures. Document each inspection and maintain a maintenance log for compliance and audit purposes.