4-4-4-6 SER Copper Cable

Service entrance cable with insulated conductors and a bare ground under a sunlight resistant PVC jacket, for panel feeds and subpanels. Rated 600 V, 90 C.

Conductor: stranded copper
Voltage rating: 600 V
Temperature rating: 90 C
Listing: UL Listed

Per foot at 25 ft$7.68/ft

Spools ship by Thu, Oct 8. Cut lengths ship by Fri, Oct 9.

For an order placed now. Orders after 12 PM ET, and on weekends and holidays, count from the next business day.

You get a tracking number by email the day it ships.

Free UPS Ground shipping from $499 to the lower 48. A reel over 150 lb ships by freight, charged in the cart.

Cut wire is final sale. Uncut spools can come back within 30 days for a 15 percent restocking fee. Returns policy

Questions about this wire?

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At a glance

Ampacity	85 A (NEC Table 310.16, 75 C column)
Largest breaker	85 A, or the next standard size up where NEC 240.4(B) allows. With 60 C rated terminals (the NEC 110.14(C) default at 100 A or less unless the equipment is marked 75 C) it is 70 A.
Voltage drop at 100 ft	5.24 V, 2.2 percent at 85 A and 240 V single phase
Run length for 3 percent drop	About 135 ft one way at 85 A and 240 V
Outside diameter	0.8 in

Questions about this size

What breaker can 4-4-4-6 SER Copper Cable go on?: Its ampacity is 85 A (75 C column of NEC Table 310.16). The breaker can be that size, or the next standard size up where NEC 240.4(B) allows it. Derate first for more than three current-carrying conductors or high ambient heat. With 60 C rated terminals (the NEC 110.14(C) default at 100 A or less unless the equipment is marked 75 C) it is 70 A.
How far can I run it before voltage drop is a problem?: At 85 A on a 240 V single phase circuit, about 135 ft one way keeps the drop at 3 percent, the figure an informational note to NEC 210.19(A) suggests for branch circuits. Try other loads in the voltage drop calculator.
Can it be buried directly in the ground?: No, and not in underground conduit either: NEC 338.12(A) does not permit SE cable underground, with or without a raceway. Use URD or USE-2, or wet-rated conductors in conduit.
Can I buy it by the foot?: Yes, cut to length in whole feet from 25 ft, or on 500 ft spools. Cut wire is final sale; uncut spools can be returned within 30 days.

Full specifications

Type	SER
Gauge	4-4-4-6
Conductors	4
Conductor	copper
Stranding	stranded
Insulation	PVC
Voltage rating	600 V
Temperature rating	90 C
Listing	UL Listed
Nominal O.D.	0.8 in
Ampacity, NEC Table 310.16, 75 C column	85 A
Jacket color	Gray
Sold by the foot	From 25 ft to 5,000 ft, in whole feet
Standard spools	500 ft
Ships in	1 to 2 business days from the order day

Insulation, ratings, listing and weight are confirmed from the manufacturer's sheet with your quote.

Spec sheet on request.

Questions

What is the smallest cut?: 25 ft for this product, in whole feet, up to 5,000 ft per row. Each length ships on its own coil.
Can I return cut wire?: No. Cut wire is final sale. Uncut, unopened spools and boxes can come back within 30 days for a 15 percent restocking fee.
When does it ship?: The ship dates beside Add to cart are for this product and count business days in Eastern time. You get a tracking number by email the day it ships.

From $/ft