Socket Testers

A socket tester is a small, hand held device that is plugged into a socket to quickly confirm that an AC wall outlet is working and can provide the power that is needed to power the devise that will be plugged into it.


Socket testers are used to ensure that the wiring is the correct way round. It will detect when there is no earth but will not check if the earth is in good condition if it is there.


The lights on the front of the mains outlet tester will light up in different combinations, this will indicate if there is any type of fault.


There are different types of socket testers:

Simple testers can detect a number of different faults but they cannot indicate or measure effective the earth fault loop impedance. They are normally the same size as a 13A plug.


Advanced testers have the same normal functions that a simple tester has including reversed line and earth, or reversed line and neutral. They display the range of numerical values that the earth fault loop impedance falls.


Professional testers have the same normal functions that a simple tester has including displaying numerical value of earth loop impedance. They also be used to measure the values of earth loop impedance to certify or report on the installation that has been carried out.


Who would use a socket tester?


Electricians, maintenance personnel, DIY enthusiasts, handymen and equipment installers would general have a mains socket tester in their toolbox to check the safety of the socket and prevent shocks and accidents occurring.


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Viewing 21 - 40 of 48 products
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Description Price Current Rating Voltage Audible Alarm Calibrated Earth Loop Impedance Test Number of Pins Wiring Check Display Type Safety Category Power Source Dimensions Weight Height Length
RS Stock No. 719-0905
Mfr. Part No.RSEZ650
BrandMartindale
£115.00
Each
Units
13A 230V ac - - Yes 3 Yes LED CAT II 300 V Mains 315 x 260 x 85mm 1kg 85mm 315mm
RS Stock No. 716-1102
Mfr. Part No.RSEZ650
BrandMartindale
£164.00
Each
Units
13A 230V ac - RSCAL Yes 3 Yes LED CAT II 300 V Mains 315 x 260 x 85mm 1kg 85mm 315mm
RS Stock No. 467-4964
Mfr. Part No.SOK 40/16
£53.95
Each
Units
16A 230V ac Yes - - 3 Yes LED - Mains - - - -
RS Stock No. 467-5642
Mfr. Part No.SOK 40/16
£102.95
Each
Units
16A 230V ac Yes RSCAL - 3 Yes LED - Mains - - - -
RS Stock No. 467-4986
Mfr. Part No.SOK 50/16HD
£59.95
Each
Units
16A 110V ac Yes - - 3 Yes LED - Mains - - - -
RS Stock No. 467-5658
Mfr. Part No.SOK 50/16HD
£108.95
Each
Units
16A 110V ac Yes RSCAL - 3 Yes LED - Mains - - - -
RS Stock No. 776-2017
Mfr. Part No.MARPC105/63
BrandMartindale
£146.00
Each
Units
63A - - - Yes 5 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm
RS Stock No. 467-4992
Mfr. Part No.SOK 60/16HD
£69.40
Each
Units
16A 400V ac Yes - Yes 4 Yes LED - Mains - - - -
RS Stock No. 467-5664
Mfr. Part No.SOK 60/16HD
£118.40
Each
Units
16A 400V ac Yes RSCAL Yes 4 Yes LED - Mains - - - -
RS Stock No. 776-4708
Mfr. Part No.MARPC104/32
BrandMartindale
£134.00
Each
Units
32A - - RSCAL Yes 4 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm
RS Stock No. 776-2008
Mfr. Part No.MARPC104/32
BrandMartindale
£85.00
Each
Units
32A - - - Yes 4 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm
RS Stock No. 776-1995
Mfr. Part No.MARPC104/16
BrandMartindale
£80.00
Each
Units
16A - - - Yes 4 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm
RS Stock No. 467-5002
Mfr. Part No.SOK 65/16HD
£80.25
Each
Units
16A 400V ac Yes - Yes 5 Yes LED - Mains - - - -
RS Stock No. 467-5670
Mfr. Part No.SOK 65/16HD
£129.25
Each
Units
16A 400V ac Yes RSCAL Yes 5 Yes LED - Mains - - - -
RS Stock No. 776-4732
Mfr. Part No.MARPC105/16
BrandMartindale
£134.00
Each
Units
16A - - RSCAL Yes 5 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm
RS Stock No. 776-4697
Mfr. Part No.MARPC104/16
BrandMartindale
£129.00
Each
Units
16A - - RSCAL Yes 4 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm
RS Stock No. 776-2005
Mfr. Part No.MARPC105/16
BrandMartindale
£85.00
Each
Units
16A - - - Yes 5 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm
RS Stock No. 471-3277
Mfr. Part No.P01101997Z
£10.83
Each
Units
- 230V ac - - - 3 Yes - CAT II 230 V Battery 95 x 50 x 38mm 60g 38mm 95mm
New
RS Stock No. 192-5832
Mfr. Part No.RSPC104/63
BrandMartindale
£189.00
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 776-2001
Mfr. Part No.MARPC104/63
BrandMartindale
£140.00
Each
Units
63A - - - Yes 4 Yes Front Panel CAT III 300 V Mains 131 x 94 x 54mm 292g 54mm 131mm
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