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FLUKE Socket Tester: 110 V AC to 125 V AC, 5-15P, GFCI/Std, CAT III 300V, Light - GFCI Testers
FLUKEGFCI Testers

FLUKE Socket Tester: 110 V AC to 125 V AC, 5-15P, GFCI/Std, CAT III 300V, Light

The FLUKE Socket Tester (MPN ST120) is a GFCI tester designed for 110 V AC to 125 V AC outlets with a 5-15P plug. It features a CAT III 300V safety rating and uses a light-based indication with no display. This unit…

SKU 3G-OTH-173097

Also listed as: ST 120 · ST-120

Brand
FLUKE
Item
Socket Tester: 110 V AC to 125 V AC, 5-15P, GFCI/Std, CAT III 300V, Light
Category
GFCI Testers
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

FLUKE
Manufacturer Part Number
ST120
Type
5-15P, GFCI/Std, CAT III 300V, Light, No Display
CAT Safety Rating
CAT III 300V

Technical Documents

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FLUKE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FLUKE Socket Tester (MPN ST120) is a GFCI tester designed for 110 V AC to 125 V AC outlets with a 5-15P plug. It features a CAT III 300V safety rating and uses a light-based indication with no display. This unit tests both GFCI and standard receptacles.

Frequently Asked Questions

What is the FLUKE ST120 Socket Tester used for?

The FLUKE ST120 Socket Tester checks 110 V AC to 125 V AC outlets for wiring faults and GFCI functionality. It is used by electricians and maintenance technicians to verify receptacle safety in residential, commercial, and industrial settings.

What are the specifications of the FLUKE ST120 Socket Tester?

The FLUKE ST120 operates from 110 V AC to 125 V AC with a 5-15P plug. It has a CAT III 300V safety rating and uses light-based indication with no display. It tests both GFCI and standard receptacles. The manufacturer part number is ST120.

Where to buy the FLUKE ST120 Socket Tester worldwide?

3G Electric supplies the FLUKE ST120 Socket Tester to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this GFCI tester.

How to use the FLUKE ST120 Socket Tester?

Plug the FLUKE ST120 into a 110 V AC to 125 V AC outlet. Observe the light indicators to identify wiring faults or press the GFCI test button to verify ground-fault protection. Always follow local electrical safety codes and wear appropriate PPE.

Used in

Common applications for FLUKE
Industrial process calibration — Fluke FLK-729PRO 4M automatic pressure calibrator for verifying pressure transmitters and switches
Electrical maintenance — Fluke-77 IV digital multimeter for measuring AC/DC voltage and current in control panels
HVAC diagnostics — Fluke-59 MAX infrared thermometer for non-contact temperature measurement of ducts and equipment
Rotating equipment alignment — Fluke 832 NA laser shaft alignment tool for aligning pump and motor shafts
Temperature sensor calibration — Fluke 9144-E-P-156 drywell for calibrating RTDs and thermocouples in field metrology
Electrical safety testing — Fluke FTP-1 test probe for making voltage measurements in CAT III and CAT IV environments

FLUKE Products

3G Electric supplies FLUKE gfci testers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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FLUKE Socket Tester: 110 V AC to 125 V AC, 5-15P, GFCI/Std, CAT III 300V, Light, No Display (MPN ST120+)
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FLUKE Socket Tester: 110 V AC to 125 V AC, 5-15P, GFCI/Std, CAT III 300V, Light, No Display (MPN ST120+)