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Submersible Cable

Submersible Cables in Kenya

Submersible cables are special electrical cables used to supply power to submersible pumps installed in boreholes, wells, and underwater pumping systems. They are designed to operate safely underwater and are commonly used in borehole pumping, irrigation systems, and water supply systems across Kenya.

What Are Submersible Cables?

Submersible cables are waterproof electrical cables designed to carry electricity from the power source to a submersible pump installed underwater. These cables are insulated to prevent water damage and electrical leakage and are used in:

  • Borehole submersible pumps
  • Well pumps
  • Solar water pumps
  • Irrigation pumping systems
  • Water supply systems
  • Underwater pumping systems

Types of Submersible Cables in Kenya

1. Flat Submersible Cables

Flat cables are the most commonly used cables for borehole pumps
Best for:

  • Borehole submersible pumps
  • Deep well pumps
    Advantages:
  • Easy to install in boreholes
  • Flexible
  • Common for pump installations

2. Round Submersible Cables

Round cables are used in water and underground installations
Best for:

  • Underwater connections
  • Underground electrical connections
    Advantages:
  • Strong insulation
  • Durable
  • Suitable for harsh environments

3. Copper Submersible Cables

Copper conductor cables offer better conductivity and efficiency
Best for:

  • Borehole pumps
  • Solar pumping systems
    Advantages:
  • High conductivity
  • Long lifespan
  • Reliable performance

4. Aluminum Submersible Cables

Aluminum cables are cheaper but less conductive than copper
Best for:

  • Budget installations
    Advantages:
  • Lower cost
  • Lightweight

Submersible Cable Price Guide in Kenya

Cable Size Typical Price per Meter (KSh) Common Use
1.5mm² 120 – 180 Small pumps
2.5mm² 180 – 250 Small submersible pumps
4mm² 250 – 350 Medium pumps
6mm² 350 – 500 Borehole pumps
10mm² 600 – 850 Large borehole pumps
16mm² 900 – 1,300 High power pumps

Prices vary depending on copper quality, insulation type, and supplier.

What Affects Submersible Cable Prices?

  • Cable size (mm²) → Larger cables cost more
  • Copper vs aluminum → Copper cables cost more
  • Cable length → Longer cables increase total cost
  • Insulation quality → Heavy insulation costs more
  • Brand and quality → Higher quality cables cost more

How to Choose the Right Submersible Cable

Step 1 — Check Pump Power

Pump horsepower determines cable size.

Step 2 — Measure Borehole Depth

Deeper boreholes require thicker cables to reduce voltage drop.

Step 3 — Choose Cable Size

Typical guide:

  • 0.5HP – 1HP → 2.5mm cable
  • 1HP – 2HP → 4mm cable
  • 2HP – 3HP → 6mm cable
  • 3HP – 5HP → 10mm cable

Step 4 — Choose Cable Type

  • Flat cable → Borehole pumps
  • Round cable → Underground or underwater wiring

Step 5 — Buy Extra Length

Always add extra cable length for connections and installation.

Installation Tips

  • Use waterproof cable joints
  • Tape and seal cable joints properly
  • Avoid sharp bends in cable
  • Secure cable to pump pipe
  • Use qualified technicians
  • Test cable before installation

Maintenance Tips

  • Inspect cable during pump servicing
  • Check for insulation damage
  • Ensure cable joints remain waterproof
  • Avoid cable tension during installation
  • Replace damaged cables immediately

Benefits of Submersible Cables

  • Waterproof insulation
  • Safe underwater operation
  • Durable and long lasting
  • Suitable for borehole pumps
  • Reduces electrical faults
  • Reliable power supply to pumps

Frequently Asked Questions

How much does submersible cable cost in Kenya?

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Which cable is used for borehole pumps?

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What size cable is needed for a submersible pump?

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Can normal electrical cable be used for submersible pumps?

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How long do submersible cables last?

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Why are submersible cables flat?

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Do submersible cables come in copper or aluminum?

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