Electrical Testing Equipment

Electrical testing equipment is the range of testers and detectors used to check whether a circuit or conductor is live and to confirm safe isolation before work starts. Stock includes C.K non-contact voltage detector sticks with visual and audible warning, C.K heavy-duty 100–250V AC mains tester screwdrivers and Olympic individual mainstesters.

The C.K Magma Pro tool case is also listed for keeping test kit protected. Trade account holders pay trade prices, and in-stock items ordered before 5pm on a weekday are with you next working day in NI or ROI.

241-010-010 In-Stock

Olympic Individual Mainstester 4 x 100mm

£2.80 inc. VAT

MA2640 In-Stock

C.K Magma Pro Tool Case Plus MA2640

£112.66 inc. VAT

CK's VDE 120-250V Mainstester by Meteor Electrical

440007 In-Stock

C.K VDE Mainstester 120-250V AC with Pocket Clip 440007

£5.11 inc. VAT

C.K Mainstester Heavy Duty 100-250V AC 440013

440013 In-Stock

C.K Mainstester Heavy Duty 120-250V 4 x 100mm 440013

£5.54 inc. VAT

T2272A In-Stock

C.K Non Contact Voltage Detector Visual & Audible 70-1000V AC T2272A

£21.10 inc. VAT

How to choose electrical test and detection equipment

Testing is the step that keeps electricians safe and installations compliant. The right instrument depends on whether you are carrying out a quick check, proving isolation or completing full inspection and testing.

Types of tester

Non-contact voltage detectors – pen-style sticks that sense AC voltage through insulation and alert with a light and beep. Ideal for a fast first check on cables, sockets and fittings.
Mains tester screwdrivers – neon indicator screwdrivers for basic indication; useful for light tasks but not a reliable means of proving dead.
Two-pole voltage indicators – the recommended instrument for proving dead as part of safe isolation, used with a proving unit.
Multifunction testers – for insulation resistance, continuity, loop impedance and RCD tests during inspection and certification.

Safe isolation

Detectors are an aid, not a guarantee. Follow a recognised safe isolation procedure: isolate, lock off, prove the tester on a known source, test all conductor combinations, then re-prove the tester. Check current guidance from your industry body and the instrument manufacturer, and ensure test leads and probes meet the relevant safety standards for the category of installation.

Looking after test kit

Store instruments in a padded case, keep batteries fresh and check leads for damage before each use. Many contractors also have instruments calibrated periodically. Pair your tester with insulated hand tools from VDE screwdrivers and pliers and cutters, and keep it organised with tool storage.

Family-run for more than 40 years, Meteor Electrical offers free delivery on orders over £30 or €35 ex VAT. Call 028 8675 1515 (048 8675 1515 from ROI) for advice.

FAQ's Ask Your Own Question

Can I use a non-contact voltage detector to prove a circuit is dead?: No. A non-contact voltage detector is useful for a quick check and for tracing live cables, but it is not considered reliable for proving dead because it may not detect voltage in every situation, such as shielded cable or DC. Use an approved two-pole voltage indicator and proving unit as part of a recognised safe isolation procedure.
What is a mains tester screwdriver used for?: A mains tester screwdriver has a neon lamp in the handle that glows when the tip touches a live AC conductor while you touch the cap, giving a simple indication of voltage. It doubles as a small slotted screwdriver for terminals. It should not be relied on to confirm a circuit is safe to work on.
How do I test a voltage detector is working?: Before and after each use, test the detector on a known live source or a dedicated proving unit to confirm it is functioning. If it fails to indicate on a known source, do not use it. Check the batteries, look for damage and follow the manufacturer's instructions. This prove-test-prove sequence is a key part of safe isolation.
Do electrical testers need calibration?: Multifunction and installation testers used for certification are usually calibrated at regular intervals, often annually, so results can be relied on. Simple indicators and detectors are generally checked on a proving unit before use rather than calibrated. Follow the manufacturer's recommendations and any requirements set by your certification body or employer.
Does a non-contact detector work through walls?: Non-contact detectors sense the electric field around live AC conductors and may detect cables close to the surface, but results through walls are unreliable and depend on depth, wall material and sensitivity. They are not designed as cable locators. For tracing hidden cables before drilling, use a dedicated cable detector and assume cables may be present in safe zones.
Is test equipment covered by a warranty?: Products sold by Meteor Electrical come with the manufacturer's warranty. Warranty terms vary by brand and product, so check the manufacturer's documentation supplied with the item. If you have a problem with a tester, contact Meteor's team on 028 8675 1515, or 048 8675 1515 from ROI, between 8am and 5pm on weekdays.