---
product_id: 571539249
title: "Heavy Duty Waterproof Extension Cord with On/Off Switch,Inline Cord Switch with 3-ft 16AWG Cable Piggyback Plug(3-Pronged),AC/DC 20A-125V,16A-250V (Green)"
brand: "marstek"
price: "$923"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/571539249-heavy-duty-waterproof-extension-cord-with-on-off-switch-inline
store_origin: MX
region: Mexico
---

# 16AWG Power IP67 Waterproof 20A Heavy Duty Heavy Duty Waterproof Extension Cord with On/Off Switch,Inline Cord Switch with 3-ft 16AWG Cable Piggyback Plug(3-Pronged),AC/DC 20A-125V,16A-250V (Green)

**Brand:** marstek
**Price:** $923
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Life with Confidence!

## Quick Answers

- **What is this?** Heavy Duty Waterproof Extension Cord with On/Off Switch,Inline Cord Switch with 3-ft 16AWG Cable Piggyback Plug(3-Pronged),AC/DC 20A-125V,16A-250V (Green) by marstek
- **How much does it cost?** $923 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/571539249-heavy-duty-waterproof-extension-cord-with-on-off-switch-inline)

## Best For

- marstek enthusiasts

## Why This Product

- Trusted marstek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Crafted with flame-retardant materials for peace of mind.
- • **Robust Design:** Built to withstand high currents, perfect for heavy-duty applications.
- • **Versatile Use:** Ideal for both indoor and outdoor high-power appliances.
- • **Convenient Control:** Easily manage your devices with a user-friendly inline switch.
- • **Reliable Performance:** Handles up to 20A, ensuring your devices stay powered.

## Overview

This Heavy Duty Waterproof Extension Cord features a 3-pronged piggyback plug and an inline switch, designed for high power appliances with a robust 20A rating. Its IP67 waterproof rating and flame-retardant materials make it perfect for both indoor and outdoor use, ensuring safety and reliability for all your electrical needs.

## Description

Heavy Duty Waterproof Extension Cord with On/Off Switch,Inline Cord Switch with 3-ft 16AWG Cable Piggyback Plug(3-Pronged),AC/DC 20A-125V,16A-250V (Green)

## Features

- 【Convenient Designed】:This inline cord switch has been designed with a US 3-Pronged Piggyback Plug on one end, which is very easy to use, just plug the devices into the back and use the switch to control the on and off.
- 【Heavy Duty Switche】: This cable switch is rated for 20A 110V which is heavy duty. It can handle high current of 20A. This outdoor electrical switch can be widely used for high power appliances and outdoor appliances.
- 【Stay Safe and Connected】: Our high-quality extension cord switch is made with safe and stable materials, including flame retardant PA66 housing and IP67 waterproofing.
- 【Powerful Performance】: With a 16AWG 3FT/92CM cable and 20A125V/16A 250V switching current and voltage, this cord can handle all your devices.
- 【Wide Applications】 : With high temperature resistant housing, high current switches and UL recognized high quality cables, our heavy duty switches can be used for high power appliances, outdoor appliances, equipment, lamps , fans and led lights.

## Product Details

- **Operation Mode:** manual
- **Operating Voltage:** 110 Volts
- **Contact Type:** Normally Open
- **Connector Type:** Component
- **Brand:** MARSTEK
- **Mounting Type:** Wall Mount
- **Actuator Type:** electromechanical
- **Contact Material:** Copper
- **International Protection Rating:** IP67
- **Number of Positions:** 3

## Images

![Heavy Duty Waterproof Extension Cord with On/Off Switch,Inline Cord Switch with 3-ft 16AWG Cable Piggyback Plug(3-Pronged),AC/DC 20A-125V,16A-250V (Green) - Image 1](https://m.media-amazon.com/images/I/51oBdQsVKHL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- MARSTEK Heavy Duty Waterproof Extension Cord with On/Off Switch,Inline Cord Switch with 3-ft 16AWG Cable Piggyback Plug(3-Pronged),AC/DC 20A-125V,16A-250V (Green)
- Inline On/Off Switch Extension Cord, 3-Prong Household Switchable Power Cord, Heavy Duty 23A 125V,16A 250V Double Break Switch Extension Cord, 40CM Cord,40CM
- Cablelera Power Cord Extension and Splitter, NEMA 5-15P to NEMA 5-15R x 2, 16 AWG, 13A, 125V (ZWACPQAG-14) Black

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**Shop now:** [https://www.desertcart.mx/products/571539249-heavy-duty-waterproof-extension-cord-with-on-off-switch-inline](https://www.desertcart.mx/products/571539249-heavy-duty-waterproof-extension-cord-with-on-off-switch-inline)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-03-10*