600 MCM Wire Buyers in Pennsylvania

Six hundred thousand circular mils is what the 600 MCM label means, about 0.471 square inches of conductor, and this is the size where standard stranding steps from 37 wires to 61. That change makes the cable noticeably more flexible than 500 MCM for its weight, which is one reason industrial plants specify it for pulls through long conduit runs and for cable tray work. Where a run has several bends, that difference shows up in the pull and in the dressing of the cable afterward.

In Pennsylvania it appears in plant distribution, large motor feeders, switchgear ties and the paralleled sets that carry 800 A to 1,200 A. Because it is a less common size than 500 or 750, surplus tends to come from specific industrial projects rather than from routine service work. Not every distributor stocks the size, so a reel in hand can be worth more than its weight suggests when a plant needs a short length quickly during a repair or an outage.

Circular mils	600,000, or 600 kcmil, about 0.471 square inches of area
Stranding	61 wires in standard concentric strand, more flexible than the 37 wire 500 MCM
Ampacity framework	NEC Table 310.16 lists 420 A for copper at 75 degrees C and 340 A for aluminum
Insulation	XHHW-2, THHN, tray cable and 600 MCM in medium voltage cable
Typical uses	Industrial distribution, switchgear ties, large motors and paralleled feeder sets

The 600 MCM size and its stranding

The move from 37 to 61 wires happens between 500 and 600 MCM, and it changes how the cable handles. More, smaller wires mean a tighter bend radius and less springback, which matters when a crew is pulling through conduit or dressing cable in a tray. The trade-off is more surface area for oxidation in bare aluminum.

Compact 600 MCM is available and reduces the outside diameter, which helps in crowded conduits. Distributors who do stock it usually work on lead time, so a partial reel can fill the gap between an order and a delivery.

• 61 wire strand replaces 37 wires at this size
• Tighter bending radius than 500 MCM
• Compact strand reduces outside diameter
• Less widely stocked than 500 or 750 MCM

Where 600 MCM is specified

Industrial plants use it for main distribution between a substation and a switchgear lineup, and for large motor feeders where the starting current and the run length both push the size up. Steel mills, food plants and chemical sites hold 600 MCM in tray and conduit, and replacements during outages generate partial reels.

Switchgear ties and generator connections add another stream, and paralleled sets sometimes use 600 MCM where two conductors per phase suit the lug space better than one 1,000 MCM. Commercial buildings use it less often, since 500 and 750 cover most of that range.

• Substation to switchgear distribution
• Large motor feeders with long runs
• Generator and switchgear ties
• Paralleled sets where lug space is tight

Value factors for 600 MCM

Copper 600 MCM is a high value conductor per foot, and a full reel is a significant asset. Aluminum 600 MCM is worth substantially less but is still far above scrap when the jacket and print are sound. The gap between the two is wide enough that a mislabeled lot can cost a seller real money.

Because the size is less common, the buyer pool is narrower and matching matters more. A reel with the manufacturer and specification identified can be placed with a plant that already uses that construction. An unmarked reel is priced as generic cable and may sit longer.

• Copper worth far more per foot than aluminum
• Manufacturer and specification help matching
• Tray rated cable commands attention in plants
• Matched lengths preferred for parallel sets

Condition risks

Flexible strand is more forgiving of handling but more vulnerable to moisture between wires. Water that enters a 61 wire strand spreads along the conductor and is difficult to dry, and the corrosion that follows shows at the ends first. Capped ends and indoor storage prevent most of it.

Jacket damage is the visible issue. A 600 MCM cable dragged across a concrete floor will scuff through the jacket at the contact point, and a scuff that reaches the conductor is a defect. Reels stored outdoors also collect water in the lower wraps, which is where the jacket ages fastest.

• Moisture spreading along a 61 wire strand
• Jacket scuffs from dragging
• Corrosion at the ends after wet storage
• Water in the bottom wraps outdoors

Photos and paperwork

The tag and jacket print come first, followed by both conductor ends and a wide side view so the remaining cable is visible. Show any jacket scuff close up, and note the footage and whether the cable was part of a matched set. If the reel is still banded, that is worth showing.

Send the submittal, the invoice and any test reports. For a plant lot, a list that pairs each reel with its project and footage helps a buyer decide quickly, and it usually produces a better offer than a single combined description.

• Tag, print and both ends
• Close shot of jacket scuffs
• Footage and matched set information
• Submittals, invoices and test reports

What we buy in this category

• 600 MCM copper XHHW-2 and THHN reels
• 600 MCM aluminum feeder cable
• 600 MCM tray cable and TC-ER
• Medium voltage cable with 600 MCM conductor
• Paralleled sets with matched lengths
• Partial reels from plant outages
• Switchgear and generator tie cable
• Cable with submittals and test records

Selling 600 mcm wire in Pennsylvania

From the Route 202 corridor to the Mon Valley and the I-81 warehouse belt, 600 mcm wire is stored in shops and yards all over the state. Send the city or township, the access details and the photographs, and the pickup can be planned against the real site.

• Philadelphia
• Norristown
• King of Prussia
• Pottstown
• Lansdale
• Abington
• Cheltenham
• Lower Merion