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3M Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 10 AWG, 600 V, 100 - General Purpose Wire Connectors
3MGeneral Purpose Wire Connectors

3M Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 10 AWG, 600 V, 100

The 3M Twist-On Wire Connectors (Red, MPN 43140) are general-purpose wire connectors rated for 600 V and wire sizes 18 AWG to 10 AWG. They accommodate a maximum wire combination of (2) 10 AWG and a minimum of (3) 18…

SKU 3G-OTH-18282

Brand
3M
Item
Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 10 AWG, 600 V, 100
Category
General Purpose Wire Connectors
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Technical Specifications

3M
Manufacturer Part Number
43140
Maximum Wire Combination
(2) 10 AWG
Minimum Wire Combination
(3) 18 AWG

Technical Documents

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

Product Description

The 3M Twist-On Wire Connectors (Red, MPN 43140) are general-purpose wire connectors rated for 600 V and wire sizes 18 AWG to 10 AWG. They accommodate a maximum wire combination of (2) 10 AWG and a minimum of (3) 18 AWG, supplied in a pack of 100.

Frequently Asked Questions

What are 3M Twist-On Wire Connectors (Red, 43140) used for?

These general-purpose wire connectors are used for splicing and terminating copper wires in electrical installations, such as junction boxes, lighting fixtures, and control panels. They are suitable for solid and stranded wires from 18 AWG to 10 AWG, rated up to 600 V.

What are the specifications of 3M Twist-On Wire Connectors (Red, 43140)?

The 3M 43140 connectors are rated for 600 V and accept wire sizes from 18 AWG to 10 AWG. Maximum wire combination is (2) 10 AWG; minimum is (3) 18 AWG. They come in a pack of 100 and are designed for general-purpose electrical splicing.

Where to buy 3M Twist-On Wire Connectors (Red, 43140) worldwide?

3G Electric supplies 3M Twist-On Wire Connectors (Red, 43140) worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select the connector based on wire size and combination. For 3M red connectors (43140), use with 18 AWG to 10 AWG wires. Ensure the total wire count and gauge fall within the rated maximum of (2) 10 AWG and minimum of (3) 18 AWG for a secure, code-compliant connection.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
3M Twist-On Wire Connectors: Red, Wire Sizes 18 AWG – 8 AWG, 600 V, 100, PK (MPN 92612)
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3M Twist-On Wire Connectors: Orange, Wire Sizes 18 AWG – 14 AWG, 600 V, 500, PK (MPN 43118)
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3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 1 AWG, 600 V, 500, PK (MPN 92604)
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3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 1 AWG, 600 V, 100, PK (MPN 92611)
3M Twist-On Wire Connectors: Orange, Wire Sizes 18 AWG – 14 AWG, 600 V, 10,000, PK (MPN H-31-KEG)
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3M Twist-On Wire Connectors: Orange, Wire Sizes 18 AWG – 14 AWG, 600 V, 10,000, PK (MPN H-31-KEG)
3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 12 AWG, 600 V, 1,000, PK (MPN H-33-BIN)
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3M Twist-On Wire Connectors: Yellow, Wire Sizes 18 AWG – 12 AWG, 600 V, 1,000, PK (MPN H-33-BIN)

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