It looks like the problem is that your extension cord is polarized, but your Christmas lights aren’t. The best solution is to replace the electrical receptacle at the end of the first set of lights with a polarized one.

Can you use extension cord with string lights?

The string lights have a two-pronged polarized plug which, as far as I know, tells me there is no ground. However, in the safety information for the lights, it states: “Use only two-wire outdoor extension cords that have two-prong grounding plugs and grounding receptacles that accept the appliance’s plug”.

What kind of extension cord will plug into Christmas lights?





For running Christmas lights, you want to make sure that any cord you use is rated for outdoor use. Pick a 16-gauge extension cord for light runs of 25 feet or less and go with a heavier duty 14-gauge cord for runs over 25 feet. Devices that generate heat, such as space heaters, should not be used with extension cords.

How do you connect Christmas lights to outdoor extension cords?


Quote from Youtube video: But sometimes it's just easier just to take that clip. Like so you can flip it right. There. I'm gonna push that water back in there. Now. You can see you can barely see that wire.

Can you use a regular extension cord for Christmas lights?

A home’s exterior has become as festive as the decorations inside. But it’s a definite no-no if you’re considering using an indoor extension cord and running power outside your home for your Christmas lights. Indoor extension cords are not designed to withstand the searing sun, moisture and temperature changes.

How do you wire an extension cord to a light fixture?

Quote from the video:
Quote from Youtube video: With the hot and the neutral wire on the on the light socket you want to have a light to go into said socket. Because you want to be able to test it.

Do Christmas lights need surge protectors?





The lights on your Christmas tree should be plugged into a surge protector to help avoid a voltage spike, causing all of the lights on your tree to burn out.

How do you plug Christmas lights outside without an outlet?

7 Best Christmas Light Options Without an Outlet!

  1. Use Extension Cords.
  2. Give Solar Lights a Chance!
  3. Use Battery Operated Lights.
  4. Bluetooth Lights Are an Option.
  5. Don’t Forget Rechargeable Lights.
  6. Use USB Lights.
  7. Give Light Socket Adapters a Go.


Can I add a plug to outdoor light?

Quote from the video:
Quote from Youtube video: Including lights and receptacles on it already if so if that number is 12 or over then no you cannot use it if it's under 12 on a 15 amp circuit then you can likely add an outlet to this circuit.

Can you put a plug on an outdoor light?



When you connect an outside light to a plug you don’t want wires running everywhere. Outdoor lights usually have underground wiring to keep the cables safe. This also hides them from view. Even when they come above ground, such as with the wiring for pendant lights, you can hide them pretty well.

Can you wire an outdoor light to an extension cord?

Assuming that you plan to plug the light into an outdoor receptacle, drill a hole into the base of the fixture large enough for the cut extension cord (which you will do in another step) to pass through. Keep in mind that this hole will look better towards the bottom of the base of the fixture.

Is it safe to leave an extension cord plugged in outside?

Although outdoor extension cords are tough, you still must not leave them outside for more than a day or two. Leaving this outside for an extended period will make your cord susceptible to breaking down, which can result in sparking, fire, and shock.

How do you hardwire an extension cord?



Quote from the video:
Quote from Youtube video: So we'll start by trimming off the outer jacket. And then we'll strip our conductors. And get ready to install the female connector. Body. So I've laid this connector body out.

What are the 3 wires in an extension cord?

The green wire is the ground wire, the white wire is the neutral wire, and the black wire is the hot wire. Light-duty interior extension cords often lack the ground wire, but if a ground wire is present, be sure to connect it.

What is a 3 prong plug for?

The standard 3-prong receptacle is called a grounding receptacle because it allows a grounding wire to be connected from the electrical circuit to the appliance. The grounding wire is connected to the third prong of the plug.