Plant & utility cable · Louisiana
Protection and relay control cable buyers in Louisiana
Protection cable is small, shielded and specified to the circuit, and it is the part of a substation that a cable buyer most often gets wrong.
Start here 01
Review a protection & relay cable lot
Substation protection and control systems use shielded multi-conductor cable for current and voltage transformer circuits, trip and close circuits, SCADA and station service. The cable is small-gauge and highly specified, and a substation upgrade replaces it in quantity.
- Plant and contractor material kept as separate lots
- Records and reel tags are the evidence that matters
- Release, isolation and permits stay with the site
Photographs of reel tags and jacket print can follow by text to 614-715-3047 or email to saleselectricalbuyers@gmail.com.
Send the lot details
Six details are enough to start.
The material 02
What this lot looks like in Louisiana
Surplus comes from panel replacements and substation automation projects. It is a low-volume, high-specification family, and the review is almost entirely about the print and the project file.
Specification 03
What we need to review it
Small facts decide large outcomes. These are the ones that matter for this family.
| Types | Shielded control cable, CT/PT lead cable, pilot wire and station service cable |
|---|---|
| Sizes | 14 AWG through 10 AWG most common for CT circuits; smaller for signal |
| Shielding | Overall foil or braid, with drain wires; some constructions are individually shielded |
| Ratings | 600 V control cable, with insulation and jacket suited to substation environments |
| Documentation | Panel schedules, project drawings and reel tags |
| Complications | Project-specific specifications and mixed vintages from staged upgrades |
Lots we buy 04
Protection & relay cable material we review
CT and PT lead cable
Shielded cable from instrument transformer circuits, read on conductor size and shield.
Trip and close cable
Control cable from protection panels, reviewed on conductor count and specification.
Station service cable
Small power cable for substation auxiliary systems.
Pilot and communications cable
Cable from protection signalling, reviewed with fibre where it applies.
How it is read 05
How this family is evaluated
Protection cable is read on specification and conductor size. A reel of 10 AWG shielded control cable specified for CT circuits is a different product from general control cable of the same gauge, and the print says which.
The second factor is project vintage. Substation automation has changed the cable requirements repeatedly, so material from an older project may not suit a current panel.
Safety first. Current transformer circuits must never be open-circuited while energised, and protection circuits can trip equipment. Only the utility's protection staff may disconnect them.
Related cable types
Where this material is reviewed
Questions —
Protection & relay cable questions
Is protection cable different from ordinary control cable?
Yes. It is specified for the circuit, often with particular shielding and conductor sizes, and the print carries that specification.
Do you buy CT lead cable separately?
Yes, and it should be kept separate. Conductor size and shield construction are what a buyer needs to know.
Can older protection cable be used in a new panel?
Sometimes, but the specification has to match. The review states the vintage rather than assuming compatibility.
What documentation helps?
Panel schedules and project drawings. They name the cable, the length and the circuit, which is exactly what the review needs.
Next step —
Send the lot details
Text photographs of reel tags to 614-715-3047 and reference the company name you use in the form.
Request a wire quote
A buyer reviews the lot and replies with questions or an offer basis.