Multimeter Test Leads

Multimeter test leads are considered to be an integral part of electrical measurement, for example connecting your digital multimeter to the unit under test. If the test leads are in poor condition this can lead to inaccurate readings and could result in a health and safety concern if live wires are being read as being de-energised.

A lead kit for measuring high voltage and high energy circuits, such as distribution system voltages (240V- 600V), needs to be in good condition with the proper markings and ratings. You should always take precautionary steps to verify the condition and rating of the leads before testing to ensure safety in the workplace.

There are test lead sets designed to meet the requirements of nearly all applications.

Checks before you start:

  • Confirm that the multimeter and multimeter test leads are rated for the category and voltage level appropriate for the electrical environment they will be used in. Electrical measurement category ratings are defined by the safety standard, IEC61010 and have four ratings, CAT I, CAT II, CAT III and CAT IV.
  • Inspect the leads to make sure they are safe to use and able to conduct electrical signals accurately. This includes checking that the leads are properly insulated with no cracks through the cables and also checking the connectors are clean and debris-free.
  • Complete a visual inspection first then conduct simple ohms measurement to confirm they are electrically reliable and able to carry a signal within allowable loss parameters.

  • ...
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    Description Price Lead Type Product Type Connector Type Fused Lead Length Current Rating Safety Category Voltage Safety Category Minimum Operating Temperature Maximum Operating Temperature Safety Category Level
    RS Stock No. 243-2998
    BrandRS PRO
    $41.82
    Each
    units
    Test Lead Kit - Crocodile Clip, Right Angle Plug - 1.2m 10A 1000V CAT III 1000 V - - CAT III
    RS Stock No. 340-2421
    BrandRS PRO
    $101.96
    Each
    units
    Insulated Test Lead Set - Crocodile Clip, Retractable Plug, Shrouded Plug, Spade Terminal, Sprung Hook - 1.2m 20A 1000V CAT II 1000 V -20°C +70°C CAT II
    RS Stock No. 731-5277
    BrandRS PRO
    $102.70
    Each
    units
    Test Lead Kit - Crocodile Clip, Right Angle Plug, Spring Hook, Straight Plug - 1.2m - 600V CAT III 600 V -20°C +70°C CAT III
    RS Stock No. 161-6511
    BrandRS PRO
    $17.98
    Each
    units
    Test Lead - Crocodile Clip - 500mm - - - - - -
    RS Stock No. 204-583
    BrandRS PRO
    $94.16
    Each
    units
    Fused Probe Kit - Right Angle Plug Yes 1.2m - 600, 1000 V 1000 CAT III V, 600 CAT III V -10°C +150°C CAT III
    RS Stock No. 204-599
    BrandRS PRO
    $112.45
    Each
    units
    Fused Probe Kit - Straight Plug Yes 1.2m - 600, 1000 V 1000 CAT III V, 600 CAT III V -10°C +150°C CAT III
    RS Stock No. 731-5286
    BrandRS PRO
    $335.78
    1 Kit(s)
    units
    Multi Pin Connector Test Kit - Crocodile Clip, Pin Socket, Right Angle Plug - 1.2m 20A 1000V CAT II 1000 V - - CAT II
    RS Stock No. 816-029
    BrandRS PRO
    $30.95
    Each
    units
    Test Lead - Crocodile Clip Yes - - 600/1000V 1000 CAT II V, 600 CAT III V - - CAT II, CAT III
    RS Stock No. 731-5273
    BrandRS PRO
    $134.82
    Each
    units
    Test Lead Kit - Crocodile Clip, Right Angle Plug, Spring Hook, Straight Plug Yes 1.2m - 600V CAT III 600 V -20°C +70°C CAT III
    RS Stock No. 124-7400
    BrandRS PRO
    $161.95
    1 Kit
    Kit(s)
    Automotive Test Lead Kit - Crocodile Clip - 1.2 (Silicone Test Lead) m, 155 (Extra Sharp Long Reach Probe) mm, 25 (Thin Back Probe) mm, 44 (Extended Back Probe) mm 10A - - -20°C +70°C -
    RS Stock No. 262-7786
    BrandRS PRO
    $12.39
    1 Pair
    Pair(s)
    Probe Set - Lantern - - - - - - - -
    RS Stock No. 124-7405
    BrandRS PRO
    $22.03
    1 Pair
    Pair(s)
    - Automotive Back Probe with Cable Piercer Adapter - - - 10A - - -20°C +70°C -
    RS Stock No. 124-7403
    BrandRS PRO
    $23.14
    1 Pair
    Pair(s)
    - Automotive Back Probe - - - 10A - - -20°C +70°C -
    RS Stock No. 124-7404
    BrandRS PRO
    $31.22
    1 Pair
    Pair(s)
    - Automotive Back Probe Lead - - - 10A - - -20°C +70°C -
    RS Stock No. 612-0835
    BrandRS PRO
    $106.42
    1 Kit
    Kit(s)
    Test Lead Kit - Crocodile Clip, Socket - 1.2m 10A - - - - -
    RS Stock No. 124-7406
    BrandRS PRO
    $28.70
    1 Pair
    Pair(s)
    - Automotive Long Reach Sharp Prod - - - 20A 1000 V, CAT II - -20°C +70°C CAT II
    RS Stock No. 124-7401
    BrandRS PRO
    $25.22
    1 Set
    Set(s)
    Probe Set - Back Probe Pin - - 10A - - -20°C +70°C -
    RS Stock No. 212-988
    BrandRS PRO
    $144.89
    Each
    units
    Test Lead - Crocodile Clip Yes 1m - 600V CAT III 600 V - - CAT III
    RS Stock No. 262-7770
    BrandRS PRO
    $23.80
    1 Pair
    Pair(s)
    Thin Fine Insulated Prod Set - - - - - 600V - - - -
    RS Stock No. 175-0162
    BrandRS PRO
    $149.90
    Each
    units
    Test Lead Set Automotive Back Probe - Yes 1.25m 10A 600 V, 1000 V CAT III 600 V, CAT IV 1000 V - - CAT III, CAT IV
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