How do you charge it? Battery operated?

The ST120 is powered by the 120V receptacle that it's plugged into.

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Deliver to Madagascar

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⚡ Test smarter, work faster, stay safe with Fluke ST120!

RUGGED PORTABLE - Compact and durable design fits perfectly in your toolkit, ready for any site or home inspection.
NO BATTERIES NEEDED - Powered directly from the outlet, eliminating downtime and extra costs—always ready when you are.
CERTIFIED RELIABILITY - Meets CE, CSA, IEC, and UL standards, ensuring professional-grade accuracy and safety compliance.
INSTANT WIRING DIAGNOSIS - Bright LEDs provide clear, immediate identification of miswired outlets, saving you time on every job.
BUILT IN GFCI SAFETY TEST - Integrated GFCI button lets you verify outlet protection without extra tools—peace of mind in one click.

The Fluke ST120 GFCI Socket Tester is a lightweight, battery-free tool featuring bright LEDs for quick wiring diagnostics and an integrated GFCI test button to verify outlet safety. Its rugged, compact design meets multiple international safety standards, making it an essential, reliable companion for electricians and home inspectors aiming for precision and efficiency.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

472395Ar

Duties & taxes incl.

Madagascarstore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Manufacturer	Coolfell
Part number	ST120
Item Weight	82 g
Product Dimensions	5.79 x 7.37 x 2.49 cm; 82 g
Item model number	ST120
Size	1212ADS405RE418
Color	1212ADS405RE418
Style	1212ADS405RE418
Material	1212ADS405RE418
Power source type	Outlet
Item Package Quantity	1
Measurement Accuracy	+/-0.5%
Specification met	CE, CSA, IEC 61010-1:2000-1, UL
Included components	Outlet Tester
Batteries Required?	No

Fluke ST120 GFCI Socket Tester Without Beeper

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