4 AWG SIS Switchboard Wire

Switchboard wire with cross-linked insulation for wiring inside panels and switchgear.

From$2.64/ft

Ships by Thu, Oct 8

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

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Outside diameter	0.34 in

Can I buy it by the foot?: It is sold on 100, 250, 500, 1,000 ft spools or coils.

Type	SIS switchboard
Gauge	4 AWG
Conductors	1
Conductor	tinned copper
Stranding	133-strand
Nominal O.D.	0.34 in
Standard spools	100, 250, 500, 1,000 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.

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