Material file · RHW / RHH
Sell RHW and RHH wire from wet locations.
Heavy single-conductor wire from plants, vaults and wet locations, often older stock and often the last thing anyone thinks to sell.
RHW and RHH wire predates the building wire most contractors use today. It is a single conductor with a heavier insulation, made for wet and damp locations, and it is still found in plants, vaults and older industrial buildings across the Metroplex.
Because it is older, it is often the material that has been on a shelf the longest. That is not automatically a problem, but insulation condition matters more here than on a modern THHN reel.
Buy quote request
Tell us what you have
Type, conductor, voltage class and how much is on hand. Photos can follow by text or email. A buyer reviews the lot before anyone talks about money.
Prefer to talk it through? 954-740-1983 · saleselectricalbuyers@gmail.com
01 Construction
Rubber, cross-linked and 2 kV
RHW and RHH cover a family of single-conductor constructions: rubber-insulated, cross-linked, and rated at 600 V or 2 kV depending on the build. The print identifies which, and the voltage rating decides where the cable could be used again.
The 2 kV versions appear in plant distribution and are reviewed more like medium voltage single conductor than like building wire.
02 Condition
Age, ozone and cracking
Older rubber insulation hardens and cracks, particularly where it has been exposed to ozone near motors or bent tightly around a small radius. Cracking at the bend is the first thing a buyer looks for.
A reel that has been indoors and uncoiled reviews well. A coil that has been folded in a hot warehouse for a decade does not, and the difference is visible in a photograph.
- Cracking at bends and near terminations.
- Chalking or hardening of the insulation surface.
- Flattened coils from long storage.
- Legible print showing voltage class and size.
03 Sources
Where it turns up
Plant maintenance stores, vaults under older buildings, and industrial panels being replaced. It also appears in contractor stock that has simply never been used up.
Lay a coil out flat for a photograph rather than holding it up. The bend radius is what shows the cracking.
FAQ Seller questions
What sellers ask before they send a list
Answers describe how the buying desk works. They are not an offer, a rate or a promise of purchase.
Is old RHW wire still worth buying?
It is reviewed on insulation condition, size and footage. Aged rubber that has cracked is treated differently from stock that stayed indoors, and the terms say which it is.
How do I tell 600 V from 2 kV RHW?
The print states the voltage class and the insulation type. Where it is unreadable, the insulation thickness and the application it came from usually indicate which one it is.
Do you buy single-conductor wire in short lengths?
Yes, particularly where several lengths came from the same store or panel change. Short singles are reviewed together rather than one at a time.
Can RHW be mixed with THHN?
They can be sent together but are listed separately. The two have different insulation and different ratings, and they are reviewed on different facts.
Buy quote request
Tell us what you have
Type, conductor, voltage class and how much is on hand. Photos can follow by text or email. A buyer reviews the lot before anyone talks about money.
Prefer to talk it through? 954-740-1983 · saleselectricalbuyers@gmail.com