RJ45 Pros & Cons: Non Pass-Through vs Pass-Through

we aim to provide our customers with the best options to make their job easier. One part in particular that our customers request daily is RJ45 connectors. Recently we have received a lot of questions asking what the better RJ45 connector to use is between the non pass-through and pass-through connectors.

Before we break down the differences between these connectors, let's take a look at what they have in common. The pass-through and non pass-through RJ45 connectors are available for Cat5e, Cat6, and Cat6a cabling. You also have the option of shielded or unshielded versions of either connector style. Please be aware that some shielded connectors have an external ground while others are internal.

Non Pass-through RJ45 ConnectorsRJ45 Connectors, Non Pass-Through type
  • Non pass-through connectors work with most standard crimp tools.
  • Some Cat6 have insert guides within the connector to help guide the conductors to the end of the connector.
  • It can be a hassle at times aligning the wires correctly, especially to customers who have not crimped connectors on Ethernet cables before.
  • They will be the most cost-efficient option for RJ45 connectors.
  • The bag count for non pass-through RJ45 connectors is usually 50 and 100 pieces


Pass-through RJ45 ConnectorsRJ45 Connectors, Pass-Through type
  • Pass-through connectors require a specific crimp and trim tool.
  • Pass-through connectors allow for the wires to feed through the connector for easier alignment.
  • The excess wire is trimmed during the crimping process providing a quicker and more efficient experience.
  • They are usually a little more expensive than other RJ45 connector options on the market.
  • Pass-through RJ45 Connectors can come in bags of 10, 25, 50, 100 or even 500 pieces.
Hopefully, you now have a better understanding of how the connectors are similar and how they differ. With this information, we hope you are ready to decide which is the better option for your application!

1 comment

  • Fantastic explanation and very helpful. Thanks. Nara

    Nara Narayanan

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