
LH-I06Insulated terminal crimping tool
Pair the insulated terminal barrel with the wire, then check equipment mounting separately.

Tool view
Updated 2026-09-09 / V0.9
Prepare stranded-wire ends for terminal entry with a ferrule-focused workflow.
A hand crimping tool for ferrules, focused on stranded wire-end preparation and terminal-block assembly in panels and electrical equipment.
Ferrules gather the end of a stranded conductor for termination. Selection involves single or twin construction, conductor size, sleeve length and the receiving terminal requirements; collar colour alone is not a specification.
Relate the metal sleeve to the wire end and review terminal form, insertion direction and crimp area.
A ferrule-focused purpose keeps this tool distinct from insulated-terminal and connector-contact tooling.
The model, connection part and application criteria sit in a shared reference linked to application pages and technical articles.
Wire part number, cross-section and strand construction
Single or twin ferrule and sleeve length
Terminal entry, accepted profile and inspection documents
| Model | Connection | Typical task | Check first |
|---|---|---|---|
| LH-F06 ↗ | Ferrules | Control-panel short-wire assembly | Wire part number, cross-section and strand construction |
| LH-I06 ↗ | Insulated terminals | Replacing an equipment wire terminal | Terminal series, conductor area and insulation diameter |
| LH-X20 ↗ | PEX copper rings | PEX joints near walls or equipment | System part numbers for tubing, fitting and copper ring |
Selection for LH-F06 starts with entry into a terminal block. All strands should enter the ferrule sleeve before the formed end is inserted into an appropriate terminal. The ferrule organizes the conductor end; it does not replace the terminal’s clamping mechanism. Distinguish single and twin ferrules. A twin arrangement requires an accepted conductor combination and suitable entry geometry, not just a calculation of total wire area.
LH-F06 selection starts with the ferrule metal sleeve. Review wire, ferrule and receiving terminal together before choosing the profile and tooling. Distinguish single and twin ferrules; the combined conductor area alone does not establish a twin-ferrule pairing.
Pre-insulated ring or fork terminals, open-barrel terminals and machined contacts have different forming requirements. Do not apply ferrule pairing rules to them. Confirm entry of the formed end in the actual assembly.
Related information: Choosing ferrule profiles
For short panel wires, organize cut lengths by circuit or terminal section, confirm stripping and then form the ends. Plan wire-marker installation before fitting ferrules that may prevent the marker from sliding over the end. Inspect for displaced strands, trapped insulation and excessive exposed metal. Do not crush or trim a formed ferrule to force it into an unsuitable terminal opening.
This sequence organizes the task. Use paired component and tool documents for positioning, cycle and acceptance conditions.
Related information: LH-S06 wire preparationElectrical panel assembly
Scroll horizontally to view the full table
| Observation | Check first | Response |
|---|---|---|
| Loose ferrule | Wire size, missing strands, ferrule and tooling | Isolate, correct the pairing, remake and inspect. |
| End will not enter | Profile, sleeve length and entry requirements | Change the pairing; do not trim the ferrule to force entry. |
| Split plastic entry | Wire position, entry size and die working area | Replace the ferrule and recheck location. |
| Strands outside | Stripping and insertion | Remake an intact end; do not trim stray strands to hide the fault. |
List LH-F06 together with the stripper, ferrule and terminal-block requirements. For repeated assembly, retain wire and ferrule part numbers and sample results. Revisit insertion and retention when the ferrule source or wire construction changes.
Review appearance, pairing and final assembly separately, with an inspection basis for each step.
Prepare an initial wire-ferrule-terminal assembly for each circuit group. Confirm entry and fastening before repeating the same part numbers and process. A different sleeve length, strand construction or terminal calls for another review. This keeps wire preparation, termination and panel assembly connected to the same record.
Publisher information on the relevant components, tooling or standard scopes for further reading.
Keep working surfaces and connection parts clean; check for visible damage, looseness and unusual wear before use.
Follow the tool and matched connection-part documentation for use, maintenance and adjustment.
Store away from moisture and impact, keeping accessories and model references with the tool.
Use LH-F06 information for ferrules and LH-I06 for pre-insulated terminals with equipment interfaces. Color alone does not establish a shared die.
Not by the sum alone. Check the allowed conductor combination, sleeve shape, forming profile and terminal entry.
Entry is one condition. Check conductor integrity, form, required connection tests and terminal fastening.

Why ferrules, insulated terminals and machined contacts follow different selection paths.
Read the guide →
Keep purpose, specifications, accessories and validation status in one record.
Read the guide →
The finished profile is one input. Consider terminal entry, clamping construction and conductor combination together.
Read the guide →
Trace a defect through wire preparation, terminal matching, positioning and forming.
Read the guide →
Pair the insulated terminal barrel with the wire, then check equipment mounting separately.


A dedicated cutting direction within wire preparation.