Trailing Cable

1. Trailing Cables:

– Used in highly mobile areas such as industrial machinery and mining that require continuous movement.

– Have thick insulation capable of withstanding mechanical stress, abrasions, and other environmental factors.

– Have the best mobility and endurance in severe conditions.

2. Flexible Cables:

– Have the best flexibility out of any cable since their conductors have the smallest diameters.

– Used in robotics or drag chains that require constant movement or bending.

– Have the ability to resist oil, abrasion, and even endure twisting.

Key Hazards

1. Electrical Risks:
– The uncontrolled release of energy (for example, arcing and explosions).
– Indirect contact (for example, electric shock by active outer sheaths).
– Direct contact with conductors that are live.

2. Mechanical Damage:
– Machinery driving over or striking the cables.
– Strain or bending that is excessive beyond the designed limits.
– Rocks or loose debris falling and damaging the cables.

3. Environmental Factors:
– Water ingress in plugs.
– Damaged cables pose fire risks.

4. Biomechanical Risks:
– Injuries to manual handling, for example, sprains and strains.

Management Recommendations

1. Develop a Trailing Cable Management System:

– Set criteria for selection of cables per application.
– Set benchmarks for operations, inspections, and upkeep.
– Conduct frequent testing while keeping detailed logs.

2. Safe Handling Practices:

– Shield active cables from direct contact; use gloves and insulated tools.
– Walk mechanical aids to cables so that fewer hands are used in relocating them.

3. Damage Prevention:

– Employ protective measures such as landscaping/berms/active caution signs.
– Do not exceed the bending radius and provide strain relief.

4. Training and Awareness:

– Educate staff on hazards pertaining to the cable as well as the use of safe frames.
– Set systems for frequent audit/peer assessment vis-a-vis safety systems in place.

5. Regulatory Compliance:

– Comply with AS/NZS 1747 and AS/NZS 2802 for repairs and testing.
– Check proper commissioning and testing of earth continuity systems.

Maintenance

– Scheduled inspection and maintenance of cables and accessories.
– Periodic testing of earth continuity protection systems, e.g., quarterly for surface workings.

Used in construction and mining industries, lift trailing cables are flexible and sturdy electrical cables built to endure harsh mechanical stress.

Key Features:

1. Resistance and Durability:

– Uses PUR-HF halogen-free flame retardant and polyurethane sheathing.

– Withstands severe abrasions, oil, extreme temperature (-40°C to 90°C), and vibrations.

– Structural integrity is improved by anti-twist aramid yarns.

2. Other subset industrial and outdoor applications like:

– Used in conveying systems such as cranes and elevators power.

– Industrial and outdoor settings are avoided which makes certain uninterrupted power flow.

3. Specifications:

– Stated 0.6/1kV voltage rating

– Stranded conductors made out of copper make it flexible.

– Available in multi-core configurations like 3-core, 4-core, and 5-core.

4. Advantages:

– Elevated power acceleration along with superior tensile strength.

– Vertical and horizontal reeling systems are what it is designed for, allowing 200m/min speeds.