Low Voltage Power Cables (BS 5467 / BS 6724)

Overview

Low Voltage Power Cables

Nairobi Power Engineers stocks and supplies single-core and multi-core Low Voltage (LV) power cables rated 600/1000 V (0.6/1 kV) manufactured in full accordance with British Standards BS 5467, BS 6724, and IEC 60502-1. Our cables are engineered for heavy commercial mains feeds, transformer-to-switchboard tails, and industrial motor risers.

Featuring Class 2 stranded plain annealed copper or high-grade aluminium conductors insulated with cross-linked polyethylene (XLPE), our power cables offer superior current-carrying capacity, high short-circuit thermal withstand, and excellent chemical resistance.

Product Lineup

Equipment & Range Highlights

Copper Power • BS 5467

XLPE Insulated Copper Power Cables

High-conductivity plain annealed copper power cables available in 1-core, 2-core, 3-core, 4-core, and 5-core configurations from 1.5 mm² to 630 mm².

ConductorPlain Annealed Copper Class 2

Insulation90°C XLPE

Voltage600 / 1000 V

LSZH Safety • BS 6724

Low Smoke Zero Halogen (LSZH) Power Cables

Fire-safe power cables for hospitals, shopping malls, and airports that emit zero toxic halogen gases and ultra-low smoke in fire conditions.

SheathThermoplastic LSZH Compound

Fire RatingBS EN 60332-1 • BS EN 61034

ApplicationsPublic Buildings & Risers

Technical Specifications

LV Power Cable Engineering Data

Conductor Size (mm²)	Conductor Construction	Current Rating (Air 30°C)	Current Rating (Direct in Ground 20°C)
16 mm² (4-Core)	Class 2 Stranded Copper	99 A (XLPE)	110 A (XLPE)
35 mm² (4-Core)	Class 2 Stranded Copper	162 A (XLPE)	173 A (XLPE)
70 mm² (4-Core)	Class 2 Stranded Copper	251 A (XLPE)	254 A (XLPE)
120 mm² (4-Core)	Class 2 Stranded Copper	346 A (XLPE)	335 A (XLPE)
185 mm² (4-Core)	Class 2 Stranded Copper	450 A (XLPE)	418 A (XLPE)
300 mm² (4-Core)	Class 2 Stranded Copper	599 A (XLPE)	528 A (XLPE)
630 mm² (Single-Core)	Class 2 Stranded Copper	1085 A (XLPE)	835 A (XLPE)

Key Features

Engineering & Build Highlights

Conforms strictly to BS 5467, BS 6724, and BASEC quality inspection procedures
XLPE insulation rated for 90°C continuous conductor operation and 250°C short-circuit limit
UV-stabilized black PVC or LSZH outer sheath suitable for outdoor exposure and direct burial
Color-coded core identification (Brown, Black, Grey, Blue, Green/Yellow) conforming to BS 7671
Available cut to exact length with factory pulling eyes attached for effortless site cable pulling
Full batch test certificates and KEBS compliance stamps provided with every drum dispatch

Applications

Target Applications & Sectors

Substation transformer to main switchboard incoming feedsCommercial building vertical power riser sub-mainsIndustrial plant distribution to motor control centresStandby diesel generator output power tailsRenewable solar PV central inverter AC collectionUnderground street lighting and estate power networks

FAQs

Standard cable tables assume a 30°C ambient air temperature. In hot plant rooms (e.g. 40°C–50°C), derating factors of 0.91 to 0.82 must be applied according to BS 7671 to prevent overheating.

For long, high-amperage underground feeder runs (e.g. 185 mm² to 300 mm²), aluminium cables offer substantial material cost savings (up to 40%) despite requiring a larger cross-section to carry the same current.

LV Power Cables