What certifications do these power cords carry?

UL and cUL-listed cord sets across the catalog, with 30+ international approval marks (VDE, ENEC, PSE, SAA, CCC, KC and more) on country-specific cords. The approvals each part carries are listed on its product page; documentation is available from sales.

Do you require a minimum order quantity?

No. We sell from 1 cord to 100,000. Volume discounts apply automatically at quantity breaks — you'll see pricing tiers on every product page.

Can I get a custom length or color?

Yes. Custom lengths and non-standard colors are hand-terminated in our Connecticut shop — typically 3–4 business days from in-stock components. Call (860) 763-2100 or submit a quote request with your specs.

How fast does this ship?

In-stock orders placed by 2:30 PM ET ship the same day via FedEx or UPS. All standard configurations are stocked in East Windsor, CT.

IEC 60309 520P7W to 520C7W 12/5 SOOW Black Extension Cables

20 Amps480 volts 3-phaseIEC 60309 WC520P7WIEC 60309 WC520C7W

Reference guide:NEMA connector guide →

configurations

19 results

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IEC 60309 WC520P7W → IEC 60309 WC520C7W
Made to order
IEC 60309 WC520P7W → IEC 60309 WC520C7W, 20A, SOOW
12 AWG480 volts 3-phase
520P7W-520C7W-S4-120
Color — Black
Length — 10 Feet
Contact for price
Per unit · USD
View details →

The plugs and connectors in this collection

What each end is, what it mates with, and where to find every cord built on it.

Plug
IEC 60309 WC520P7W
- 20 Amps
- 277/480V Y 3-phase
On 19 of the cords here
The IEC 60309 520P7W is a 5 wire plug body rated for 277/400-288/500VAC and 20 Amps. The connector body is black for easy identification and is a waterproof industrial power connector.
Mates with IEC 60309 WC520R7W
You are on the IEC 60309 WC520P7W family page.
Connector
IEC 60309 WC520C7W
- 20 Amps
- 277/480V Y 3-phase
On 19 of the cords here
The IEC 60309 520C7W is a 5 wire connector body rated for 277/400-288/500VAC and 20 Amps. The connector body is black for easy identification and is a waterproof industrial power connector.
Mates with IEC 60309 WC520B7W
You are on the IEC 60309 WC520C7W family page.

About IEC 60309 520P7W to 520C7W 12/5 SOOW Black Extension Cables

World Cord Sets supplies iec 60309 520p7w to 520c7w 12/5 soow black extension cables from our East Windsor, Connecticut headquarters, with manufacturing across US and overseas facilities. Cords are tested and certified to spec before shipment. We stock 19+ configurations and build custom cords to order — hand-terminated builds from in-stock components typically ship in 3–4 business days. In-stock orders placed by 2:30 PM ET ship the same day from our Connecticut warehouse.

Current rating

20 Amps

Voltage rating

480 volts 3-phase

Plug (male end)

IEC 60309 WC520P7W

Connector (female end)

IEC 60309 WC520C7W

Certifications & compliance

UL
cUL
RoHS
REACH

Every cord we build is hi-pot tested
Same-day shipping by 2:30 PM ET
NET 30/60/90 for approved accounts
In-house engineering and compliance support

Frequently asked questions

What certifications do these power cords carry?: UL and cUL-listed cord sets across the catalog, with 30+ international approval marks (VDE, ENEC, PSE, SAA, CCC, KC and more) on country-specific cords. The approvals each part carries are listed on its product page; documentation is available from sales.
Do you require a minimum order quantity?: No. We sell from 1 cord to 100,000. Volume discounts apply automatically at quantity breaks — you'll see pricing tiers on every product page.
Can I get a custom length or color?: Yes. Custom lengths and non-standard colors are hand-terminated in our Connecticut shop — typically 3–4 business days from in-stock components. Call (860) 763-2100 or submit a quote request with your specs.
How fast does this ship?: In-stock orders placed by 2:30 PM ET ship the same day via FedEx or UPS. All standard configurations are stocked in East Windsor, CT.