3M Insulation Displacement Connector: 2 Ports, Red, 19 AWG – 16 AWG Run Size Range
The 3M Insulation Displacement Connector (MPN 557-BULK) is a double-port run tap wire connector designed for 19 AWG to 16 AWG run size ranges and rated for 600 V. This red connector from 3M features an insulation…
SKU 3G-OTH-128334
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Product Description
The 3M Insulation Displacement Connector (MPN 557-BULK) is a double-port run tap wire connector designed for 19 AWG to 16 AWG run size ranges and rated for 600 V. This red connector from 3M features an insulation displacement design for wire connections.
Frequently Asked Questions
What is the 3M 557-BULK insulation displacement connector used for?
The 3M 557-BULK is a double-port run tap wire connector used for splicing or tapping 19 AWG to 16 AWG solid or stranded copper wire in control panels, lighting, and junction boxes. Its insulation displacement design eliminates wire stripping, speeding up installation in industrial and commercial electrical systems.
What are the specifications of the 3M 557-BULK connector?
The 3M 557-BULK is a red, double-port run tap connector rated for 600 V. It accepts 19 AWG to 16 AWG run wire sizes. The insulation displacement design allows fast, reliable connections without stripping insulation. It is manufactured by 3M and is RoHS compliant.
Where to buy the 3M 557-BULK connector worldwide?
3G Electric supplies the 3M 557-BULK connector worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this 3M connector to any country.
How to install the 3M 557-BULK insulation displacement connector?
To install the 3M 557-BULK, insert the unstripped 19–16 AWG wire into the connector port and press down with a standard pliers or a dedicated IDC tool until the contact blades pierce the insulation. Ensure the wire is fully seated. No stripping or soldering is required. Follow local electrical codes.
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Common applications for 3M3M Products
3G Electric supplies 3M double-port run tap wire connectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















