Solutions

Prototype and Low-Volume Cable Assemblies and Wire Harnesses

A drawing, marked sample, BOM, connector detail, installation constraint, or early harness input can establish a controlled sample build while open dimensions, materials, routing, and tests remain visible. The checked revision can then guide a low-volume lot and, when the project is ready, transfer into repeat production.

Initial inquiry Engineering inquiry

Project examples

Build detail examples

The examples show cable routes, connector ends, molded features, and other assembly details used to align drawings, samples, tests, and required records for quotation and build planning.

Compact connector cable detail with measured length and connector ends — Measured sample detailMeasured sample views help identify open dimensions, connector orientation, and cable-exit details before a first build.

Black molded strain-relief part shown as a sample feature — Molded feature sampleMolded features need sample, drawing, or 3D geometry before prototype tooling assumptions are useful.

Gray cable assembly with a circular green component on a warm-white background — Cable assembly sample with circular green componentThe sample helps compare cable routing, circular-component position, and first-build inspection points.

For early drawings, marked samples, and small initial quantities

A new equipment program needs a cable assembly or wire harness prototype before pilot or repeat production
You have drawings or samples, while material, connector, or test details still need to be completed
The project needs a defined path from sample evaluation to a low-volume lot and later repeat production
The assembly combines coiled cord, overmolding, harness, or interconnect requirements

Start with the latest marked drawing or sample

Preliminary drawing, marked sample, or clear product image with dimensions
Connector, terminal, wire, or cable choices already fixed by the equipment design
Prototype quantity, later production target, open dimensions, material questions, tooling assumptions, test method, and delivery destination

First build

Dimensions, materials, and tests that shape production planning

Cable routing, branch dimensions, connector orientation, cable exits, bend areas, and strain relief
Wire gauge, material fit, and connector or terminal availability
Electrical, visual, dimensional, validation, and packing-limit checks for the first build
Revision, BOM, test, and packing records that can be carried from the approved sample into later production

Samples and notes

Marked samples, comparison evidence

Photos of samples, mating equipment, or installation location when available
Marked drawings showing unresolved dimensions or cable exits
Inspection notes from first sample evaluation

Related products

Custom Cable AssembliesMTTJ builds drawing-based cable assemblies for power, signal, data, and control connections. In-house work can include cutting, stripping, crimping, soldering, connector assembly, labeling, electrical checks, and packing.Coiled Communication Cords for Train Radio EquipmentMTTJ forms coiled communication cords for train radio equipment from the supplied drawing or reference sample. Coil diameter, relaxed length, working reach, tail lengths, cable construction, connector interfaces, pinout, and movement checks are defined for the named equipment program.Custom Cable Constructions & Injection-Molded ComponentsMTTJ combines cable preparation, termination, insert molding, and injection-molded component work for custom constructions defined by a drawing or sample. The product range includes molded inserts, strain relief, cable exits, junctions, and finished cable assemblies.

Related capabilities

Continue the review

Related resources and manufacturing scope

Prototype RFQPrototype RFQs should show what is fixed, what is still open, and how the first build will be judged. Marked samples, early drawings, connector details, material questions, and test criteria keep prototype work from becoming guesswork.Custom Cable RFQA useful RFQ gives MTTJ one clear build baseline. Start with the latest drawing or sample, then identify the connectors, cable construction, quantity, tests, records, packing, and destination details that affect the quote.Cost DriversCost is driven by the build definition: cable construction, connector choice, termination labor, overmolding, custom extrusion, testing, documentation, packaging, and quantity. A complete drawing package helps MTTJ price the real work instead of assumptions.

Prototype quotation

Separate fixed requirements from remaining details

State whether the first build is for prototype use, pilot build, or later production

List connector part numbers or project-agreed equivalent rules

Name the checks and records needed for the first shipment

FAQ

Prototype low-volume programs

Can one prototype request include several build types?

Yes. MTTJ can assess the combined build when drawings, samples, connector details, and test expectations describe the whole assembly.

What helps avoid prototype rework?

Clear mating interface details, cable routing constraints, test requirements, and notes from the intended equipment installation help reduce avoidable changes.

Request a quote

Send first-build drawings

Use a marked drawing or sample to show what is fixed, which details still need decisions, and how the first piece should be checked.

Start an RFQ