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

3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 12 AWG, 600 V - General Purpose Wire Connectors
3MGeneral Purpose Wire Connectors

3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 12 AWG, 600 V

The 3M Twist-On Wire Connectors: Yellow (SKU 2JJK2, MPN H-33-KEG) are general purpose wire connectors from 3M. They accommodate wire sizes 18 AWG – 12 AWG, with a maximum wire combination of (7) 18 AWG and a minimum…

SKU 3G-OTH-18544

Brand
3M
Item
Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 12 AWG, 600 V
Category
General Purpose Wire Connectors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

3M
Manufacturer Part Number
H-33-KEG
Type
Wire Sizes 18 AWG – 12 AWG, 600 V, 5,000, PK
Maximum Wire Combination
(7) 18 AWG
Minimum Wire Combination
(4 or 5) 22 AWG
View Full Spec Sheet

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

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

Product Description

The 3M Twist-On Wire Connectors: Yellow (SKU 2JJK2, MPN H-33-KEG) are general purpose wire connectors from 3M. They accommodate wire sizes 18 AWG – 12 AWG, with a maximum wire combination of (7) 18 AWG and a minimum wire combination of (4 or 5) 22 AWG, rated for 600 V.

Frequently Asked Questions

What are 3M Twist-On Wire Connectors Yellow used for?

3M Twist-On Wire Connectors Yellow are general-purpose connectors for splicing and terminating copper wire in electrical installations. They are commonly used in junction boxes, lighting fixtures, and control panels across industrial, commercial, and residential applications, providing secure, insulated connections for wire sizes 18 AWG to 12 AWG.

What are the specifications of 3M Twist-On Wire Connectors Yellow H-33-KEG?

The 3M H-33-KEG connectors accommodate wire sizes 18 AWG – 12 AWG, with a maximum combination of (7) 18 AWG and a minimum of (4 or 5) 22 AWG. They are rated for 600 V and come in a pack of 5,000. The connectors are yellow and designed for general-purpose wiring applications.

Where to buy 3M Twist-On Wire Connectors Yellow in worldwide?

3G Electric supplies 3M Twist-On Wire Connectors Yellow (MPN H-33-KEG) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 3M product.

How to select the right 3M Twist-On Wire Connector for my wire gauge?

Select the connector based on the total wire count and gauge. For 3M Yellow connectors, use them with 18 AWG to 12 AWG wire. The maximum combination is (7) 18 AWG; the minimum is (4 or 5) 22 AWG. Always verify the connector's wire range and voltage rating (600 V) match your application.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M Products

3G Electric supplies 3M general purpose wire connectors. 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

Similar products

Matched by specification & description
3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 12 AWG, 600 V, 1,000, PK (MPN H-33-BIN). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 14 AWG with (2) 18 AWG; Manufacturer Part Number: H-33-BIN; Minimum Wire Combination: (4) 22 AWG.
3M
3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 12 AWG, 600 V, 1,000, PK (MPN H-33-BIN). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 14 AWG with (2) 18 AWG; Manufacturer Part Number: H-33-BIN; Minimum Wire Combination: (4) 22 AWG.
3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 1 AWG, 600 V, 500, PK (MPN 92604). Key specifications — Brand: 3M; Maximum Wire Combination: (3) 12 AWG; Manufacturer Part Number: 92604; Minimum Wire Combination: (2) 18 AWG.
3M
3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 1 AWG, 600 V, 500, PK (MPN 92604). Key specifications — Brand: 3M; Maximum Wire Combination: (3) 12 AWG; Manufacturer Part Number: 92604; Minimum Wire Combination: (2) 18 AWG.
3M Twist-On Wire Connectors: Blue, Wire Sizes 22 AWG – 16 AWG, 300 V, 1,000, PK (MPN H-30-BIN). Key specifications — Brand: 3M; Maximum Wire Combination: (1) 14 AWG with (1) 18 AWG; Manufacturer Part Number: H-30-BIN; Minimum Wire Combination: (5) 22 AWG.
3M
3M Twist-On Wire Connectors: Blue, Wire Sizes 22 AWG – 16 AWG, 300 V, 1,000, PK (MPN H-30-BIN). Key specifications — Brand: 3M; Maximum Wire Combination: (1) 14 AWG with (1) 18 AWG; Manufacturer Part Number: H-30-BIN; Minimum Wire Combination: (5) 22 AWG.
3M Twist-On Wire Connectors: Orange, Wire Sizes 18 AWG – 14 AWG, 600 V, 10,000, PK (MPN H-31-KEG). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 14 AWG with (3) 20 AWG; Manufacturer Part Number: H-31-KEG; Minimum Wire Combination: (5) 22 AWG.
3M
3M Twist-On Wire Connectors: Orange, Wire Sizes 18 AWG – 14 AWG, 600 V, 10,000, PK (MPN H-31-KEG). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 14 AWG with (3) 20 AWG; Manufacturer Part Number: H-31-KEG; Minimum Wire Combination: (5) 22 AWG.
3M Twist-On Wire Connectors: Blue, Wire Sizes 22 AWG – 16 AWG, 300 V, 100, PK (MPN H-30-POUCH). Key specifications — Brand: 3M; Maximum Wire Combination: (1) 14 AWG with (1) 18 AWG; Manufacturer Part Number: H-30-POUCH; Minimum Wire Combination: (5) 22 AWG.
3M
3M Twist-On Wire Connectors: Blue, Wire Sizes 22 AWG – 16 AWG, 300 V, 100, PK (MPN H-30-POUCH). Key specifications — Brand: 3M; Maximum Wire Combination: (1) 14 AWG with (1) 18 AWG; Manufacturer Part Number: H-30-POUCH; Minimum Wire Combination: (5) 22 AWG.
3M Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 10 AWG, 600 V, 100, PK (MPN 43140). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 10 AWG; Manufacturer Part Number: 43140; Minimum Wire Combination: (3) 18 AWG.
3M
3M Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 10 AWG, 600 V, 100, PK (MPN 43140). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 10 AWG; Manufacturer Part Number: 43140; Minimum Wire Combination: (3) 18 AWG.

More from 3M

View all 3M parts
3M Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 8 AWG, 600 V, 100, PK (MPN 92612). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 8 AWG; Manufacturer Part Number: 92612; Minimum Wire Combination: (3) 14 AWG.
3M
3M Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 8 AWG, 600 V, 100, PK (MPN 92612). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 8 AWG; Manufacturer Part Number: 92612; Minimum Wire Combination: (3) 14 AWG.
3M Twist-On Wire Connectors: Gray, Wire Sizes 22 AWG – 10 AWG, 300 V, 1,000, PK (MPN H-29-BIN). Key specifications — Brand: 3M; Maximum Wire Combination: (1) 16 AWG with (1) 18 AWG; Manufacturer Part Number: H-29-BIN; Minimum Wire Combination: (3) to (5) 22 AWG.
3M
3M Twist-On Wire Connectors: Gray, Wire Sizes 22 AWG – 10 AWG, 300 V, 1,000, PK (MPN H-29-BIN). Key specifications — Brand: 3M; Maximum Wire Combination: (1) 16 AWG with (1) 18 AWG; Manufacturer Part Number: H-29-BIN; Minimum Wire Combination: (3) to (5) 22 AWG.
3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 1 AWG, 600 V, 100, PK (MPN 92611). Key specifications — Brand: 3M; Maximum Wire Combination: (3) 12 AWG; Manufacturer Part Number: 92611; Minimum Wire Combination: (2) 18 AWG.
3M
3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 1 AWG, 600 V, 100, PK (MPN 92611). Key specifications — Brand: 3M; Maximum Wire Combination: (3) 12 AWG; Manufacturer Part Number: 92611; Minimum Wire Combination: (2) 18 AWG.
3M Twist-On Wire Connectors: Tan, Wire Sizes 22 AWG – 8 AWG, 600 V, 100, PK (MPN SG-T POUCH). Key specifications — Brand: 3M; Maximum Wire Combination: (3) 10 AWG; Manufacturer Part Number: SG-T POUCH; Minimum Wire Combination: (6) 22 AWG.
3M
3M Twist-On Wire Connectors: Tan, Wire Sizes 22 AWG – 8 AWG, 600 V, 100, PK (MPN SG-T POUCH). Key specifications — Brand: 3M; Maximum Wire Combination: (3) 10 AWG; Manufacturer Part Number: SG-T POUCH; Minimum Wire Combination: (6) 22 AWG.
3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 12 AWG, 600 V, 100, PK (MPN H-33-POUCH). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 14 AWG with (2) 18 AWG; Manufacturer Part Number: H-33-POUCH; Minimum Wire Combination: (4) 22 AWG.
3M
3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 12 AWG, 600 V, 100, PK (MPN H-33-POUCH). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 14 AWG with (2) 18 AWG; Manufacturer Part Number: H-33-POUCH; Minimum Wire Combination: (4) 22 AWG.
3M Twist-On Wire Connectors: Orange, Wire Sizes 18 AWG – 14 AWG, 600 V, 1,000, PK (MPN H-31-BIN). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 14 AWG with (3) 20 AWG; Manufacturer Part Number: H-31-BIN; Minimum Wire Combination: (5) 22 AWG.
3M
3M Twist-On Wire Connectors: Orange, Wire Sizes 18 AWG – 14 AWG, 600 V, 1,000, PK (MPN H-31-BIN). Key specifications — Brand: 3M; Maximum Wire Combination: (2) 14 AWG with (3) 20 AWG; Manufacturer Part Number: H-31-BIN; Minimum Wire Combination: (5) 22 AWG.
3M Twist-On Wire Connectors: Tan, Wire Sizes 22 AWG – 10 AWG, 600 V, 5,000, PK (MPN 412-BAG). Key specifications — Brand: 3M; Maximum Wire Combination: (1) 8 AWG with (1) 10 AWG; Manufacturer Part Number: 412-BAG; Minimum Wire Combination: (3) to (6) 22 AWG.
3M
3M Twist-On Wire Connectors: Tan, Wire Sizes 22 AWG – 10 AWG, 600 V, 5,000, PK (MPN 412-BAG). Key specifications — Brand: 3M; Maximum Wire Combination: (1) 8 AWG with (1) 10 AWG; Manufacturer Part Number: 412-BAG; Minimum Wire Combination: (3) to (6) 22 AWG.
3M Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 8 AWG, 600 V, 500, PK (MPN SG-R BAG). Key specifications — Brand: 3M; Maximum Wire Combination: (3) 10 AWG; Manufacturer Part Number: SG-R BAG; Minimum Wire Combination: (6) 18 AWG.
3M
3M Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 8 AWG, 600 V, 500, PK (MPN SG-R BAG). Key specifications — Brand: 3M; Maximum Wire Combination: (3) 10 AWG; Manufacturer Part Number: SG-R BAG; Minimum Wire Combination: (6) 18 AWG.