Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

MILWAUKEE 3211-20 Digital GFCI Tester, CAT IV 1000V - GFCI Testers
MILWAUKEEGFCI Testers

MILWAUKEE 3211-20 Digital GFCI Tester, CAT IV 1000V

The MILWAUKEE Non-Contact Voltage and GFCI Combination Tester (5-15P, MPN 3211-20) is a GFCI tester that detects AC voltage. It carries a CAT IV 1000V safety rating, as specified by the manufacturer.

SKU 3G-OTH-173108

Also listed as: 321120 · 3211 20

Brand
MILWAUKEE
Item
3211-20 Digital GFCI Tester, CAT IV 1000V
Category
GFCI Testers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MILWAUKEE
Manufacturer Part Number
3211-20
Type
CAT II 300V/CAT IV 1000V, Digital
CAT Safety Rating
CAT IV 1000V
Testing Functions
AC Voltage

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MILWAUKEE Non-Contact Voltage and GFCI Combination Tester (5-15P, MPN 3211-20) is a GFCI tester that detects AC voltage. It carries a CAT IV 1000V safety rating, as specified by the manufacturer.

Frequently Asked Questions

What is the MILWAUKEE Non-Contact Voltage and GFCI Combination Tester used for?

This MILWAUKEE tester detects AC voltage and tests GFCI outlets. It is used by electricians and maintenance technicians for verifying power presence and ensuring ground-fault protection in residential, commercial, and industrial electrical systems.

What are the specifications of the MILWAUKEE 3211-20 tester?

The MILWAUKEE 3211-20 is a digital non-contact voltage and GFCI combination tester. It tests AC voltage and carries a CAT IV 1000V safety rating with a 5-15P plug. The manufacturer part number is 3211-20.

Where to buy the MILWAUKEE 3211-20 tester worldwide?

3G Electric supplies the MILWAUKEE 3211-20 tester to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the genuine MILWAUKEE product wherever your facility is located.

How to use the MILWAUKEE non-contact voltage tester safely?

Always verify the tester is functioning on a known live circuit before use. Hold the tester near the conductor or outlet; it will indicate AC voltage presence. For GFCI testing, plug into the outlet and press the test button. Follow MILWAUKEE's instructions and wear appropriate PPE.

Used in

Common applications for MILWAUKEE
Electrical panel assembly — Milwaukee U-style crimping dies (49-16-U250) for 250 kcmil copper lugs
Automotive repair — Milwaukee 1/2 in drive impact sockets (49-66-6242) for removing lug nuts
Construction framing — Milwaukee hex bit sockets (45-34-1079) for driving hex-head screws
Industrial maintenance — Milwaukee cordless crimping tool kit (2678-22BG) for cable terminations
Tool repair — Milwaukee cord set (22-64-0121) for replacing damaged power cords on equipment

MILWAUKEE Products

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This GFCI tester checks 110-125 V AC outlets for correct wiring and GFCI function. It features a 5-15P plug and a load current of 6 to 9 mA. The CAT II 135V safety rating suits standard and GFCI-protected receptacles in electrical maintenance tasks
MILWAUKEE TOOL & EQUIPMENT
This GFCI tester checks 110-125 V AC outlets for correct wiring and GFCI function. It features a 5-15P plug and a load current of 6 to 9 mA. The CAT II 135V safety rating suits standard and GFCI-protected receptacles in electrical maintenance tasks
GFCI tester for 110-125 V AC circuits with a 5-15P plug. Tests GFCI and standard receptacles for proper wiring and ground fault protection. Load current 6 to 9 mA. CAT II 300V safety rating
MILWAUKEE TOOL & EQUIPMENT
GFCI tester for 110-125 V AC circuits with a 5-15P plug. Tests GFCI and standard receptacles for proper wiring and ground fault protection. Load current 6 to 9 mA. CAT II 300V safety rating
Non-contact voltage tester with audible and light indicators for detecting AC voltage from 50 V to 1,000 V. Rated CAT IV 1000V for safety. Suitable for verifying circuit presence or absence in electrical installations
MILWAUKEE
Non-contact voltage tester with audible and light indicators for detecting AC voltage from 50 V to 1,000 V. Rated CAT IV 1000V for safety. Suitable for verifying circuit presence or absence in electrical installations
Non-contact voltage detector with audible and light alerts for AC voltage detection from 50 V to 1000 V. Features a built-in flashlight, IP54 dust and water resistance, and CAT IV 1000V safety rating. Suitable for identifying live circuits, outlets, and wiring in electrical testing applications
MILWAUKEE
Non-contact voltage detector with audible and light alerts for AC voltage detection from 50 V to 1000 V. Features a built-in flashlight, IP54 dust and water resistance, and CAT IV 1000V safety rating. Suitable for identifying live circuits, outlets, and wiring in electrical testing applications
Non-contact voltage detector with a detection range of 50 V to 1,000 V. Features audible and light alerts, CAT IV 1000V safety rating, IP54 ingress protection, and a built-in flashlight. Suitable for verifying AC voltage presence in industrial electrical systems during maintenance and troubleshooting
MILWAUKEE
Non-contact voltage detector with a detection range of 50 V to 1,000 V. Features audible and light alerts, CAT IV 1000V safety rating, IP54 ingress protection, and a built-in flashlight. Suitable for verifying AC voltage presence in industrial electrical systems during maintenance and troubleshooting
Non-contact voltage detector with detection range of 12 V to 1000 V AC. Features audible and visual alerts, built-in flashlight, and IP54 dust/water resistance. Rated CAT IV 1000V for safety. Suitable for verifying presence of AC voltage in electrical systems
MILWAUKEE
Non-contact voltage detector with detection range of 12 V to 1000 V AC. Features audible and visual alerts, built-in flashlight, and IP54 dust/water resistance. Rated CAT IV 1000V for safety. Suitable for verifying presence of AC voltage in electrical systems

More from MILWAUKEE

View all MILWAUKEE parts
Digital GFCI combination tester with 5-15P plug for AC voltage detection and ground-fault protection testing. Rated CAT II 300V and CAT IV 1000V for use in residential, commercial, and industrial electrical systems
MILWAUKEE
Digital GFCI combination tester with 5-15P plug for AC voltage detection and ground-fault protection testing. Rated CAT II 300V and CAT IV 1000V for use in residential, commercial, and industrial electrical systems