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Southwire Company Douglas Plant  · Electronic Components

W4728

Cable, Power, Electrical

Part NumberW4728
ManufacturerSouthwire Company Douglas Plant
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCABLE,POWER,ELECTRICAL
Federal Supply Class6145 — Wire and Cable, Electrical
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
ColorBLACK SECOND POSITION JACKET CABLE
Conductor FormSTRANDED ALL CONDUCTORS
Round Conductor Size18 AWG ALL CONDUCTORS
Strand Awg Size Per Conductor30 ALL CONDUCTORS
Conductor Arrangement And Quantity2 SINGLES
Voltage Rating300.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
Cross Section Outside Diameter0.290 INCHES NOMINAL
Cross Sectional Shape StyleROUND
Temp Rating-35.0 CELSIUS AND 90.0 CELSIUS
Strand Quantity Per Conductor16 ALL CONDUCTORS
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is W4728 available?
We can source W4728 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is W4728 by Southwire Company Douglas Plant obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If W4728 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like W4728?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for W4728?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.