RJ12 Male to Dual RJ12 Female Telephone Splitter Adapter - 6P6C - Straight Pinout

Part no. 507

6P6C | Gold-Plated Contacts | Plastic | Straight Pinout | Share 1 Line with 2 Phones

Quantity Discount Pricing
1-4 5-9 10-49 50-99 100+
$1.14 $0.99 $0.94 $0.89 $0.84
Quantity Discount Pricing
1 - 4 5 - 9 10 - 49 50 - 99 100+
$1.14 $0.99 $0.94 $0.89 $0.84

This telephone splitter is the most commonly used in home or office setting when sharing one line to two phones. The RJ12 plug goes into the wall jack and the opposite end accepts your telephone line cords.


  • Single RJ12 plug
  • Dual RJ12 jacks
  • Color: Beige
  • Gold plated contacts
  • Wired straight through
Features & Specs
The gender of this adapter? Male to Dual Female (Plug to Dual Jacks)
Plug Type
The type of plug on this adapter? RJ12
Form Factor The form factor of this adapter? Splitter
Plating The plating on the contacts? 50 micron gold
Color The color of this adapter? Beige
Pinout The pinout of this adapter? Straight
REVIEW SUMMARY for RJ12 Male to Dual RJ12 Female Telephone Splitter Adapter - 6P6C - Straight Pinout
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Q: What is the difference between an RJ11 and an RJ12 connector?

A: Both connectors are the same size and appear the same. However, looking at the contacts an RJ11 will only have 4 contacts. An RJ12 will have 6 contacts.

Q: What are the terms 4P4C, 6P4C and 6P6C referring to?


4P4C: 4 Position 4 Conductor ( RJ22) - used for Telephone Handset cables.

6P4C: 6 Position 4 Conductor (RJ11) - used for ADSL, telephone, and modem cables.

6P6C: 6 Position 6 Conductor (RJ12) - used in System phones.

Q: Which adapter or splitter should I use. Reverse or straight?

A: Newer phones can use a straight or reverse pinned line cord. If you’re unsure of the age of your phone a reverse pinned cord will work with any age phone

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