CUSTOM WIRE HARNESSESCABLE ASSEMBLIES

Custom wire harnesses. Built in America.

Most harness shops quote in weeks and want a thousand-unit minimum. We quote the same day, build to IPC/WHMA-A-620, and ship in as little as 5 days — from quantity one.

0MIN. ORDER QTY
5 daysFASTEST SHIP
SF, CAMADE IN USA
CRIMP SECTION PULL-CHECK: PASS Custom wire harness assembly with Molex and JST connectors — multi-branch cable assemblies manufactured by Scale Atoms in San Francisco, USA
Q1 MULTI-BRANCH / SLEEVED / LABELEDCONTINUITY 100%

BUILT FOR SPEED

Speed is the whole point.

Hardware runs on a deadline. A harness that shows up in month three stalls the entire build. Our job is to keep the least glamorous part of your machine off the critical path.

5 DAY FASTEST TURN
SAME-DAY QUOTING
[01]

Five-day expedite.

Rapid-turn prototypes ship in as little as 5 business days. Standard runs in 10–20.

[02]

Same-day quotes.

Send a drawing, a netlist, or a photo of the old harness. Pricing comes back before the day ends.

[03]

No minimums.

Quantity one is a real order — same process, same inspection as a production run.

[04]

Your timezone.

We build in San Francisco. Questions get answered while your team is still at the bench.

EVERY HARNESS TESTED

Every harness proves itself.

Before anything ships, every assembly is continuity tested pin-to-pin and every crimp is pull-checked. If a defect exists, it dies on our bench — not on yours.

100% CONTINUITY TESTED EVERY CRIMP PULL-CHECKED IPC/WHMA-A-620 ALIGNED DEFECTS CAUGHT BEFORE THEY SHIP
QUALITYIPC/WHMA-A-620 aligned, 100% continuity tested
LEAD TIME10–20 business days standard; expedite in as little as 5
CONNECTORSJST, Molex, TE, Deutsch, Amphenol + most standard families
MOQNone. Order one.

INSIDE THE PIPELINE

Three steps. Zero guesswork.

[01]

SPEC

Send a drawing, netlist, or photo. We confirm connectors, wire gauge, and labeling before a single wire is cut.

[02]

BUILD

Cut, crimped, terminated, sleeved, and labeled in our San Francisco facility. Nothing is subcontracted offshore.

[03]

PROVE

100% continuity test, pin-to-pin, plus pull-checks on every crimp. Then — and only then — it ships.

INDUSTRIES WE SERVE

Robotics

Robot wire harnesses: actuator looms, sensor pigtails, e-stop chains.

Aerospace & Defense

Mil-spec wiring, traceable materials, serialized builds, documentation on request.

Industrial Equipment

Panel wiring, motor leads, industrial wire harnesses for machines that run 24/7.

Automotive & EV

Automotive wiring harnesses, EV battery interconnects, HV/LV assemblies, CAN networks.

Medical Devices

Medical cable assemblies: small-gauge precision builds with full lot traceability.

★ ASSEMBLED IN THE U.S.A.

Built in San Francisco.

Every harness is cut, crimped, and tested at 2209 Van Ness Ave — an American shop, on American soil, answering in your timezone. Nothing leaves the building until it passes.

PROJECT: DOMESTIC ASSEMBLY FACILITY 94109
Photo: hands crimping / pin insertion close-up
Photo: labeled harness bundle / continuity test rig

✦ FROM OUR BENCH TO YOUR BUILD ✦

WIRE HARNESS FAQ

What is the minimum order quantity for a custom wire harness?

There is no minimum order quantity. Quantity one is a real order, built with the same process and inspection as a production run.

How fast can you build a wire harness prototype?

Rapid-turn prototypes ship in as little as 5 business days. Standard lead time is 10–20 business days.

What quality standard are your wire harnesses built to?

Every harness and cable assembly is built to IPC/WHMA-A-620 and 100% continuity tested before it ships.

Are your wire harnesses made in the USA?

Yes. Every harness is manufactured at our facility at 2209 Van Ness Ave, San Francisco, California — no offshore subcontracting.

What do you need to quote a custom cable assembly?

A drawing, a netlist, or even a photo of the old harness. Quotes go back the same day.

Which connector families do you work with?

JST, Molex, TE Connectivity, Deutsch, Amphenol, and most industry-standard connector families.

REQUEST A QUOTE

Send a drawing. Get a quote back today.

FACILITY
2209 Van Ness Ave, San Francisco, CA 94109, USA
HOURS Mon–Fri, 8:00–18:00 PT