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Electrical

  • IET Guidance Notes 3 10th Edition
     Usually ships In 3 to 5 working days

    IET Guidance Note 3 10th Edition: Inspection and Testing (BS 7671:2018+A4:2026)

    £40.00 (ex VAT)
    £48.00 (inc VAT)
    • Updated to BS 7671:2018+A4:2026 including Amendment 4
    • Essential guidance for inspection and testing procedures
    • Covers EFLI, conductor identification and inspection frequencies
    • Ideal for electricians and those studying inspection and testing
  • IET On-Site Guide 9th Edition
     Usually ships In 3 to 5 working days

    IET On-Site Guide 9th Edition (BS 7671:2018+A4:2026)

    £35.00 (ex VAT)
    £42.00 (inc VAT)
    • Updated to BS 7671:2018+A4:2026 including Amendment 4
    • Practical on-site guidance for installations up to 100 A three-phase
    • Clear, easy-to-use format for quick reference
    • Supports safe and compliant electrical work
  • IET Wiring Regulations 18th Edition
     Usually ships In 3 to 5 working days

    IET Wiring Regulations 18th Edition (BS 7671:2018+A4:2026)

    £109.00 (ex VAT)
    £130.80 (inc VAT)
    • Latest BS 7671:2018+A4:2026 IET Wiring Regulations edition
    • Includes Amendment 4 updates for current UK compliance
    • New sections covering energy storage, ICT systems and PoE
    • Updated guidance for medical locations and testing requirements
  • Bosch GVD 1000-17 Professional Non-Contact Voltage
    In Stock - Express Delivery Available

    Bosch GVD 1000-17 Professional Non-Contact Voltage Tester

    £43.51 (ex VAT)
    £52.21 (inc VAT)
    • CAT IV 1000 V rated voltage detection
    • 24 V to 1000 V AC detection range
    • IP67 dust and water protection
    • LED indicator with sound and vibration
  • Bosch PRO GDM 600-15 Digital Multimeter
    In Stock - Express Delivery Available

    Bosch PRO GDM 600-15 Digital Multimeter

    £146.78 (ex VAT)
    £176.14 (inc VAT)
    • True RMS measurements for accurate results
    • 600 V AC and DC voltage measurement range
    • 10 A current measurement with high resolution
    • IP65 rated durable multimeter for site work
  • Bosch GFM 1000-15 Professional Fork Meter
    In Stock - Express Delivery Available

    Bosch GFM 1000-15 Professional Fork Meter

    £176.29 (ex VAT)
    £211.55 (inc VAT)
    • Measures AC current up to 200 A quickly
    • AC DC voltage testing up to 1000 V
    • True RMS readings for accurate results
    • IP54 rated meter for tough site conditions
  • Bosch GFM 1000-15 Professional Fork Meter
    In Stock - Express Delivery Available

    Bosch GMC 600-15 Professional Clamp Meter

    £146.78 (ex VAT)
    £176.14 (inc VAT)
    • Measures AC current up to 600 A
    • AC and DC voltage testing up to 600 V
    • True RMS readings for stable accuracy
    • IP54 rated clamp meter for site work
  • Bosch  GVT 1000-15 Professional Voltage Tester
    In Stock - Express Delivery Available

    Bosch GVT 1000-15 Professional Voltage Tester

    £71.56 (ex VAT)
    £85.87 (inc VAT)
    • Tests AC and DC voltage up to 1000 V
    • IP65 rated impact resistant housing
    • LED audio and vibration voltage alerts
    • CAT IV 600 V and CAT III 1000 V safety
  • Bosch PRO Wallscanner D-Tect 200 C Detector
    In Stock - Express Delivery Available

    Bosch PRO Wallscanner D-Tect 200 C Detector

    £645.99 (ex VAT)
    £775.19 (inc VAT)
    • Radar detection for metals, cables, wood
    • Maximum detection depth up to 200 mm
    • Multiple scan views for precise location
    • USB-C and SD card screenshot storage
  • Chauvin Arnoux CA6117 Multifunction Tester
    In Stock - Express Delivery Available

    Chauvin Arnoux CA6117 Multifunction Tester

    From £1,495.00 (ex VAT)
    £1,794.00 (inc VAT)
    • 0–550 V AC DC voltage and frequency tests
    • Loop impedance testing down to 1 mΩ
    • RCD testing types A B C with ramp mode
    • 5.7 inch colour LCD with clear results
    This product has multiple variants. The options may be chosen on the product page
  • Chauvin Arnoux CA6240 10A Microhmmeter
    In Stock - Express Delivery Available

    Chauvin Arnoux CA6240 10A Microhmmeter

    £2,495.00 (ex VAT)
    £2,994.00 (inc VAT)
    • 10 A test current for low resistance checks
    • 400 µΩ to 400 Ω measurement capability
    • 4 wire Kelvin method for accurate results
    • 1 µΩ resolution with automatic recording
  • Chauvin Arnoux CA6418 Earth Clamp
    In Stock - Express Delivery Available

    Chauvin Arnoux CA6418 Earth Clamp

    £1,145.00 (ex VAT)
    £1,374.00 (inc VAT)
    • 0.5 mA to 20 A AC earth current range
    • 0.01 Ω to 1200 Ω loop resistance tests
    • 300 reading memory with time and date
    • CAT IV 100 V safety rated earth clamp

Electrical Test Instruments & Equipment

Electrical test instruments are a vital part of electrical installations and maintenance processes. No matter how well-trained a contractor or electrician is, if their test instrument is showing incorrect readings, it may cost the clients hundreds, if not thousands of pounds.

The electrical product family incorporates a huge array of test instruments, from extremely specialist equipment items to more general testers and those electrical testing ‘essentials’ that are of everyday use for most engineers and technicians. Test4Less provide a huge range of electrical test instruments, from multimeters, multifunction testers, voltage testers and earth loop testers, to clamp meters, calibration checkboxes and electrical accessories and tools, all boasting a host of key features from such big brands as Fluke, Metrel and Megger.