
TTD Series Insulation Piercing Connector
Insulation piercing connector series for main and tap conductor combinations



Product Overview
The TTD series completes the insulation piercing range across the conductor size combinations the PA and PAL series do not cover. The principle is identical - penetrate the insulation to the conductor, seal the puncture inside the body, and set the contact force with a shear head bolt - and the selection is made purely on the two conductor cross sections being joined.
Key Benefits
- Extends the piercing connector range across further conductor size combinations
- Contact sealed inside the connector body against weather
- Shear head bolt gives a repeatable result in field conditions
- Keeps the main insulation continuous at every tap
Problems It Solves
- Connector ranges that do not cover the conductor combination actually on site
- Water ingress at tap points made by stripping
- Joint quality varying with the installer
Application Scenarios
- Taps between larger main conductors and distribution branches
- Network extensions from an existing insulated overhead main
- Service and lighting connections outside the PA size range
- Maintenance work adding load to an insulated feeder
Who It Is For
- Distribution utilities with aerial bundled networks
- Line construction contractors
- Network maintenance crews
- Distributors stocking a full piercing connector range
Technical Features
- Piercing contacts across the TTD conductor size range
- Shear head clamping bolt
- Sealed contact enclosure
- Selected from main and tap cross section pair
Specifications
| Product Family | Piercing Clamp |
|---|---|
| Series | TTD |
| Connection Type | Insulation piercing, no conductor stripping |
| Bolt Type | Shear head |
| Conductor Range | Selected against main and tap cross sections at quotation |
Materials
- Insulating connector body
- Metal piercing contacts
- Shear head clamping bolt
Manufacturing Process
- Body moulding
- Contact forming
- Bolt assembly
- Packing for export
Customisation Options
- Size confirmed from your conductor schedule
- Mixed series quantities supplied on one order where a project spans several size pairs
- Consolidated with cable and line hardware in one shipment
Compared With Other Options
| PA and PAL series | Same working principle, different conductor size coverage. The size pair on site decides the series. |
|---|---|
| Bolted stripped connection | A stripped connection needs resealing and stays a maintenance item. A piercing tap does not open the main insulation at all. |
Use Guide
- Check the conductor pair against the series range first
- Seat both conductors correctly in the body
- Tighten until the shear head separates
- Support the tap so its weight is not carried by the connector
Related Products

PAL Series Insulation Piercing Connector
Insulation piercing connector for tapping aerial bundled cable without stripping
View details →
PA Series Insulation Piercing Connector
Insulation piercing connector for service taps on insulated overhead mains
View details →
Brass Clamp
Brass clamp body for overhead line connection and tap positions
View details →TTD Series Insulation Piercing Connector Questions
How many series do I need to stock
It depends on the conductor sizes on your network. Send the conductor schedule and we will identify the smallest set of series that covers it.
Are TTD connectors sealed
The contact area is enclosed within the connector body, which is what keeps water away from the puncture.
Can I mix series on one order
Yes. Mixed series and sizes are quoted on one line list.
Get a Price on TTD Series Insulation Piercing Connector
Send the quantity, the specification you are matching and the destination port.
