Cords are designed with weep holes, and it's usually not a problem for them to get wet. You do not want them submerged in water. I suggest elevating the connection slightly off the ground.
If you are not comfortable using them, you don't have to. They call them indoor cords because of the gauge of the wire, which are still safe for outdoors. When you need to make short connections (3-4ft apart), the indoor cords are much easier to use than the heavy duty extension cords
Those "indoor cords" as you called them are made of 16 gauge wire, which is less than the 14 gauge used in in the residential wiring on a 15 amp circuit. Incandescent light strings can pull 3 amps Max so if not using LEDs, there is a chance you can put more load on the extension cord than it is rated for with multiple strings of lights and splitters. However, you may not reach enough load to trip the breaker, causing the cable to heat and cause a fire hazard. Also, those are often two prong plugs with no grounding prong, used in a wet environment. You used a GFCI plug which reduces that risk, but stated it was so the homeowner wouldn't have to trip the breaker back on for you. People watching the video may skip that because they don't think that commercial context matters to them. To say this is "safe" in a video meant to be educational is opening yourself to a lot of unnecessary liability.
Thank you for sharing your knowledge. I’d like to take some classes from you guys.
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What gauge is that green extension?? Do you guys us the spt1 wire to be the main line ??
What can be put to protect the cords when it rains and snows?
Cords are designed with weep holes, and it's usually not a problem for them to get wet. You do not want them submerged in water. I suggest elevating the connection slightly off the ground.
I don’t get the using indoor cords outdoors. That sounds like a safety risk
If you are not comfortable using them, you don't have to. They call them indoor cords because of the gauge of the wire, which are still safe for outdoors. When you need to make short connections (3-4ft apart), the indoor cords are much easier to use than the heavy duty extension cords
Those "indoor cords" as you called them are made of 16 gauge wire, which is less than the 14 gauge used in in the residential wiring on a 15 amp circuit. Incandescent light strings can pull 3 amps Max so if not using LEDs, there is a chance you can put more load on the extension cord than it is rated for with multiple strings of lights and splitters.
However, you may not reach enough load to trip the breaker, causing the cable to heat and cause a fire hazard. Also, those are often two prong plugs with no grounding prong, used in a wet environment. You used a GFCI plug which reduces that risk, but stated it was so the homeowner wouldn't have to trip the breaker back on for you. People watching the video may skip that because they don't think that commercial context matters to them.
To say this is "safe" in a video meant to be educational is opening yourself to a lot of unnecessary liability.
Where do you buy those stakes?
www.christmaslightcontractorsusa.com/collections/clips/products/4-5-ground-stakes-for-c7-c9-and-mini-lights-box-of-100