Azuga Extension Cable for Temp Sensor, 18 ft

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At a glance

What the shop says

The Azuga shop lists this as an extension cable for a temperature sensor in an 18 foot length, part number HTC-008-18, at $9.99. It says the cable extends the reach of temperature sensors and passes data reliably. Connector types and compatible devices are not listed.

Why one long cable beats two short ones

Every connector is a place where moisture, vibration and a bad crimp can cause trouble. Two 9 foot cables joined together have one more connection than a single 18 foot cable. Connectors tend to fail before wire does. That is our field view, not an Azuga statement, but it is a good reason to choose the single longer part when the run needs it.

When 18 feet is the right size

• The string measurement of your planned route is more than 9 feet, with slack added.
• The probe has to sit at the far end of a long box, and the tracker has to sit in a protected spot near the front.
• The cable has to go around a panel or frame instead of through it.

If your measurement is under about 9 feet, the shorter cable is easier to keep tidy. Extra cable has to go somewhere, and a coil of slack behind a panel can rub through over time.

Handling excess length

1. Lay the cable on its final route first and see where the extra sits.
2. Fold the slack into a loose loop, never a tight coil, and tie it flat against a solid surface.
3. Keep the loop away from heat and away from anything that moves.
4. Never cut the cable to shorten it. Azuga does not publish how it is wired, and once it is cut nobody can vouch for the reading.

The limit nobody published

Azuga does not state a maximum total cable length for a temperature sensor. If a job needs more than 18 feet, ask Azuga in writing what the supported maximum is and keep the answer. A long run can look fine on the bench and misbehave in a trailer, so test the reading in place.

Test it where it lives

After the cable is routed and clipped, wait for a reading in the portal, then compare it with a trusted thermometer in the same spot. If the number disagrees by more than the customer would accept, check each connector before blaming the sensor.

Where to go next

Questions we get

Is the 18 foot cable more expensive?

No. As of 2026-10-21 the shop listed both extension lengths at $9.99. Choose by the route, not the price.

Can I shorten it if it is too long?

We would not. Azuga does not publish the wiring and a cut cable cannot be trusted. Fold the extra length into a loose, tied loop instead.

What if I need more than 18 feet?

Ask Azuga for the supported maximum length in writing. Do not chain cables without an answer.

Sources: Azuga shop product page, checked 2026-10-21, Azuga GV620MG install guide, Azuga GV620MG tech specs. AZUGA is a trademark of its owner. API Signal is an independent installer and is not Azuga.