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Voltage testers for electrical installation work

A voltage tester proves whether a circuit is live before work starts, and the two-pole instrument is the reference for that check because it loads the circuit instead of reacting to stray fields. Bridge both conductors and the lamp scale or display shows presence and rough magnitude, so an induced voltage on a disconnected line is not mistaken for a live supply.

Match the rating to the installation. Instruments specified to 1000V AC in CAT IV cover distribution boards and service entries, while lower categories are limited to socket outlets and the circuits downstream of them. A switchable load helps clear capacitive coupling on long parallel cable runs, and a continuity range on the same probes saves reaching for a second instrument during fault finding on lighting and control wiring.

Also weigh probe guarding, lead length and whether the continuity range needs batteries. Dimensional and levelling checks sit elsewhere in analogue measuring instruments, alongside the micrometer.

facom_701bpb

FACOM 701BPB Safety tester DAT/ VAT

  • Max. voltage: 600 V
  • Supplier warranty: FACOM - 3 years
  • Min. voltage: 12 V
Delivery time average 8 days.
118.50
€97.94 excl. VAT
stanley_fmht82566_0

STANLEY FMHT82566-0 FATMAX LED voltmeter 2-pole

  • Max. voltage: 400 V
  • Min. voltage: 0 V
  • Product Range: Stanley Fatmax
Delivery time average 11 days.
Recommended Retail Price €21.64
17.68
€14.61 excl. VAT
expert_e201804

EXPERT E201804 DAT/VAT safety tester

  • Max. voltage: 400 V
  • Min. voltage: 6 V
Delivery time average 9 days.
Recommended Retail Price €57.37
43.06
€35.59 excl. VAT
futech_vt6400

FUTECH VT6400 volttester

  • Max. voltage: 400 V
  • Min. voltage: 12 V
Delivery time average 12 days.
Recommended Retail Price €29.21
23.68
€19.57 excl. VAT
futech_42146d

FUTECH 421.46D two-pole volt tester 4.6D

  • Max. voltage: 1000 V
  • Min. voltage: 12 V
Delivery time average 9 days.
Recommended Retail Price €120.40
99.05
€81.86 excl. VAT
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