TTD Insulation Piercing Connectors

1)TTD Insulation Piercing Connectors are featuring a unique insulation technique.
2)Connections can be made live in minutes and suitable for aluminum or Copper, the body materials are UV-resistant.


1).Designed for all weather applications and easy to install.

2).Special connecting tablet is adopted in our insulation piercing connector, which is applicable to joint of Cu(Al) and Cu(Al) or Cu and Al.

3).Its self-seam frame is wet proof, water proof, and anti-corrosive, which can prolong the using life of insulated lead and connector.


TTD series insulation piercing connector is not only used to connect the (or separate) the self-supporting insulated wire, but also used to separate lighting circuit.

1).Adjust the connector nut to suitable location.

2).Put the branch wire into the cap sheath fully.

3).Insert the main wire, if there are two lays of insulated lay in the main cable, should strip a certain length of the first insulated lay from inserted end.

4).Turn the nut by hand, and fix the connector in suitable location.

5).Screw the nut with the sleeve spanner.

6).Screw the nut continually until the top part is cracked and dropped down


Item No. Main wire section Branch wire section Bolt
TTD-82F AL25-95 AL 2*(2.5-35) 1
TTD-151F AL25-95 AL2.5-35 1
TTD-201F AL35-95 AL25-95 1
TTD-281F AL120-185 AL10-25 1
TTD-301F AL35-95 AL25-95 2
TTD-401F AL50-185 AL50-150 2
TTD-451F AL120-185 AL70-185 2

Insulated piercing connector CPC series insulation piercing connector  NU series insulation piercing connector   CPB series insulation piercing connector  JBC series insulation piercing connector