Our inventory covers virtually every electrical and electronic cable application imaginable. We maintain over 15,000 active SKUs, each engineered for performance, consistency, and compliance with UL, CSA, and RoHS standards. From heat-resistant wire to precision coaxial and multi-conductor control cable, we supply the materials that keep manufacturing, communications, and energy systems running 24/7.
At Custom Wire & Cable, every product line is backed by the same principle: deliver the best wire for the job and stand behind it. We combine deep industry knowledge with supply-chain efficiency to help clients meet tight schedules without compromising quality.
Our inventory covers virtually every electrical and electronic cable application imaginable. We maintain over 15,000 active SKUs, each engineered for performance, consistency, and compliance with UL, CSA, and RoHS standards. From heat-resistant wire to precision coaxial and multi-conductor control cable, we supply the materials that keep manufacturing, communications, and energy systems running 24/7.
Browse our full range of wire and cable products by category. Each product is clearly specified to help you quickly identify the right solution for your application.
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| Item # | Item Name | Size (AWG/MCM) | Nominal Core OD (inches) | Shield coverage | Nominal O.D. (inches) | Nominal Capacitance (pF/ft) | Velocity of propagation | Nominal Impedance (ohms) | Nominal Weight (LBS/MFT) | Type | RFQ |
| 358B | Coaxial/TwinAxial Cable- RG 58/U, RG 58A/U, RG 58 C/U | 20 Solid Bare Copper | 0.116 Solid Polyethylene | 95% Tinned Copper Braid | 0.195Black PVC | 29.6 | 66 % | 50 | 28 | RG58/U Jan-C 17A Coaxial Cable | Request a Quote |
| 358C | Coaxial/TwinAxial Cable- RG 58/U, RG 58A/U, RG 58 C/U | 20 (19/.0072)Tinned Copper | 0.116 Solid Polyethylene | 95% Tinned Copper Braid | 0.195Black Non Contaminating PVC | 31.7 | 66 % | 50 | 26 | RG58 C/U Coaxial Cable | Request a Quote |
| 358 | Coaxial/TwinAxial Cable- RG 58/U, RG 58A/U, RG 58 C/U | 20 (19/32)Tinned Copper | 0.116 Cellular Polyethylene | 95% Tinned Copper Braid | 0.195Black PVC | 25.3 | 78 % | 50 | 26 | RG58/U NEC Type CL2 UL Style 1354 Coaxial Cable | Request a Quote |
| 358A | Coaxial/TwinAxial Cable- RG 58/U, RG 58A/U, RG 58 C/U | 20 (19/.0072)Tinned Copper | 0.116 Solid Polyethylene | 95% Tinned Copper Braid | 0.195Black PVC | 31.7 | 66 % | 50 | 28 | RG58 A/U Jan-C 17A Coaxial Cable | Request a Quote |
Construction
Conductor:
Insulation Core:
Jacket:
Sheild Coverage:
Application:
Packaging:
RG-58 coaxial cable is commonly used for RF signal transmission, broadcast wiring, antenna connections, radio frequency applications, and equipment interconnects where a 50-ohm coaxial cable is required. The right RG-58 construction depends on the signal requirements, installation environment, and equipment specifications.
RG-58/U, RG-58A/U, and RG-58C/U are all 50-ohm coaxial cable types, but they may differ in conductor construction, dielectric material, jacket type, capacitance, velocity of propagation, and outside diameter. Buyers should match the exact RG-58 type to the equipment, standard, or project requirement.
Impedance matters because RF systems are designed around a specific impedance, often 50 ohms for RG-58 applications. Using cable with the wrong impedance can cause signal reflection, power loss, reduced performance, or unreliable transmission between connected equipment.
Shield coverage helps protect the signal from electromagnetic interference and helps contain the RF signal within the cable. Higher shield coverage can support more reliable performance in electrically noisy environments or applications where signal consistency matters.
Buyers should confirm the required RG type, impedance, conductor construction, shield coverage, dielectric material, jacket material, capacitance, velocity of propagation, outside diameter, operating environment, and whether the cable will be used for broadcast, RF signal transmission, antenna, or equipment connection applications.
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