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Picture for category Supply Cords

Supply Cords

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7 Way Trailer Wiring Harnesses

10110-048, 10110-054, 10110-072, 10110-096A6, 10110-108, 10110-124, 10110-144, 10110-192, 10110-216, & 10110-300

This standard black 7-way trailer cord has a removed outer jacket for custom wiring trailer applications. The cable is abrasion resistant while the plug has easy grip wings for quick removal. It is designed to work with most RV/motor-home applications.


The 7-pole connectors provide additional circuits for trailers with electric brakes and auxiliary lighting such as interior lights or a backup/reverse function.


Limited one year warranty


*Wiring instructions included

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7 Way Trailer Harness & Wired Junction Box

10110-048BX, 10110-072BX, 10110-096BX, & 10110-124BX

These pre-wired junction boxes feature a molded 7-way plug and easily connect to an existing trailer wiring system. Made of impact resistant PVC, these junction boxes are guaranteed to last harsh road conditions. Each kit includes all of the plastic hardware and sealing grommets needed. There are several different cable length options to choose from, making it easy to find the right one.


Limited one year warranty


  • WARNING: It is recommended to check with the manufacturer or dealership for vehicle specific information before starting. READ all instructions carefully before attempting to wire a vehicle using these products. Follow the instructions above. Improperly wiring to the trailer/vehicle may cause electrical malfunction or other damage, which could result in property damage, personal injury or even death. Conntek is not responsible for any damages caused by incorrect wiring.
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14-50P to SS2-50R RV Power Cords with Flat Plug

14455-15, & 14455-25

This 50A RV/generator power cord can power large RVs that have the 50A locking style inlet, SS2-50. The male plug has a flat design that does not obstruct the RV pedestal cover from closing, while the female connector is the standard inline design.


Approval: Plug, STW: UL, C-UL

Limited one year warranty

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14-50P to CS6364 Temp Power Cords

1450SS2-15, 1450SS2-25, 1450SS2-36, 1450SS2-50, 1450SS2-75, & 1450SS2-100

This temporary generator power cord is solidly built with an attractive black finish. It features a NEMA 14-50 plug and a CS6364 connector with a guiding pin for use with most high-power generator and power distribution units (PDU). The cable provides heat resistance up to 221°F.


Approval: Plug, STW: UL, C-UL

Limited one year warranty


*Derated to 45 amps when the cable is longer than 50FT

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TT-30P to 45° Angled L5-30R RV Cord

15350-EC2RE

This 30 Amp RV power cord connects to a 30A locking style RV inlet. It features an easy grip handle with a built-in LED power indicator light. The female connector also has a LED power indicator light and is angled at 45 degrees for strain relief to provide better leverage when attempting to lock into the inlet. The outer jacket comes in a bright yellow color to stand out in various lighting conditions.


Max Wattage: 3750W

Approval: Plug, connector and STW: UL, C-UL

Limited one year warranty

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30 Amp RV/Camper Power Cord with Reverse Polarity Indicator

RP5350-LA1, & RP5350-LA3

These NEMA TT-30P to NEMA L5-30R power cords are designed with two different LED lights, the Blue LED Light indicates that power is present, while the Red LED Light warns of reverse polarity or wrong wiring at the outlet. The L5-30R connector also includes a threaded ring that securely screws around the inlet to create a watertight seal.



Blue Light:

•Indicates that power is present


Red Light:

•Indicates that there is either a neutral loss, incorrect wiring and /or faulty connections at the power pedestal outlet.

•If the RED LIGHT is on, disconnect the plug immediately.

•DO NOT touch any part of your vehicle.

•DO NOT turn on the circuit breaker. Contact the electrician on site at once


*LED's might be place differently than what is shown.


Limited one year warranty on the power cord, excluding ALL indicators which are under a 90 day limited warranty.

*EVEN IF POWER INDICATOR IS DAMAGED OR BURNS OUT, THE CORD WILL CONTINUE TO WORK NORMALLY CONDUCTING ELECTRICITY.

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30 Amp RV/Camper Power Cord with Reverse Polarity Indicator (30ft)

RP5350-LA2

This NEMA TT-30P to NEMA L5-30R RV extension cords have an 45° downward angled L5-30 connector that puts less pressure on the inlet to maximize the life of both the cord and inlet. The connector also includes a threaded ring that securely screws around the inlet to create a watertight seal.


It features two different LED lights, The Blue LED light indicates that power is present, while the Red LED light warns of reverse polarity or wrong wiring at the outlet.


Blue Light:

•Indicates that power is present


Red Light:

•Will indicate that there is either a neutral loss, incorrect wiring and /or faulty connections at the power pedestal outlet.

•If the RED LIGHT is on, disconnect the plug immediately.

•DO NOT touch any part of your vehicle.

•DO NOT turn on the circuit breaker. Contact the electrician on site at once


*LED's might be place differently than what is shown.


Limited one year warranty on the power cord, excluding ALL indicators which are under a 90 day limited warranty.

*EVEN IF POWER INDICATOR IS DAMAGED OR BURNS OUT, THE CORD WILL CONTINUE TO WORK NORMALLY CONDUCTING ELECTRICITY.

Call for pricing

50 Amp RV/Camper Power Cord with Reverse Polarity Indicator

RP5455-LA2, RP5455-LA3, & RP5455-LA5

These NEMA 14-50P to NEMA SS2-50R RV power cords have an easy grip handle on the plug to provide better leverage while unplugging. The 45° downward angled SS2-50R connector puts less pressure on the inlet to maximize the life of both the cord and inlet. The connector also includes a threaded ring that securely screws around the inlet to create a watertight seal.


This cord is designed with two different LED lights


Blue Light:

•Indicates that power is present


Red Light:

•Will indicate that there is either a neutral loss, incorrect wiring and /or faulty connections at the power pedestal outlet.

•If the RED LIGHT is on, disconnect the plug immediately.

•DO NOT touch any part of your vehicle.

•DO NOT turn on the circuit breaker. Contact the electrician on site at once


*LED's might be place differently than what is shown.


Limited one year warranty on the power cord, excluding ALL indicators which are under a 90 day limited warranty.

*EVEN IF POWER INDICATOR IS DAMAGED OR BURNS OUT, THE CORD WILL CONTINUE TO WORK NORMALLY CONDUCTING ELECTRICITY.

Call for pricing

Reverse Polarity Detecting 14-50 Extension Cord with 45° Connector

RP5588-030 & RP5588-050

These NEMA 14-50P Extension Cords have an easy grip handle on the plug to provide better leverage while unplugging. The 45° downward angled 14-50R connector puts less pressure on the inlet to maximize the life of both the cord and inlet. The connector also includes a threaded ring that securely screws around the inlet to create a watertight seal.


This cord is designed with two different LED lights, The Blue LED Power light indicates that power is present, while the Red LED light warns of reverse polarity or wrong wiring at the outlet.


Blue Light:

•Indicates that power is present


Red Light:

•Will indicate that there is either a neutral loss, incorrect wiring and /or faulty connections at the power pedestal outlet.

•If the RED LIGHT is on, disconnect the plug immediately.

•DO NOT touch any part of your vehicle.

•DO NOT turn on the circuit breaker. Contact the electrician on site at once


*LED's might be place differently than what is shown.


Limited one year warranty on the power cord, excluding ALL indicators which are under a 90 day limited warranty.

*EVEN IF POWER INDICATOR IS DAMAGED OR BURNS OUT, THE CORD WILL CONTINUE TO WORK NORMALLY CONDUCTING ELECTRICITY.

Call for pricing

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