This is simply a mechanical switch that makes sure you're plugged in all the way. The biggest potential headache with an EV charger is whether you have proper electrical service. If your house can't handle the extra load of a charger, you're dealing with an even bigger project of getting a new service drop, which means cutting off power to the house and installing a new meter and breaker panel.
You'll also need to consider the age of your garage and its distance from the house. Old wiring going to the garage might need to be replaced, and longer distances can come with a nominal increase in the size and cost of the cable that runs to the charger.
In most instances, though, an electrician will be able to properly wire to your garage. If you're experienced with home wiring, make sure you follow all the guidelines. Ignoring them carries a very real risk of an electrical fire. National Electrical Code Article covers the rules for EV-charger installation, such as where a charger can be mounted and what kind of wiring is required. The outside world is so noisy, but I hear it all the time inside my home - when I'm sleeping, when I'm working How can I soundproof my windows??
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Suggested Project Book. View Project Book. However, these plugs do not meet National Electrical Code standards. With terminal-screw plugs, the wires attach to screws inside the cord body; this type of plug is usually found on older appliances. An older terminal-screw plug often has a removable insulating disk covering the terminals and wires. Newer plugs have rigid insulating barriers.
Three-prong plugs are used for larger appliances such as washers, dryers, refrigerators, and power tools and include a prong that grounds the appliance. When planning where you are going to place a large appliance, be sure you have the appropriate kind of outlet available, or plan to install one.
Damaged cords or plugs can be extremely dangerous. They can spark or smoke, causing a fire. If you see a cord or plug sparking, unplug the appliance immediately, and, just to be safe, cut power to the outlet.
Bend the copper portion of each wire into a U-shape. Grab the end of each wire and bend it backward to make a hook. This makes attaching them to the new plug much easier and more secure.
Part 2. Unscrew the housing of the replacement plug. The new plug is held together by a few screws. Turn each one counterclockwise to loosen and remove them.
Then open up the plug housing. Extension cords usually have a rounded plug, and you'd remove screw around the tip of plugs to pull off the front part. Slide the plug base onto the cord if it has a detachable base.
Some plug types, particularly extension cord plugs, have a removable base. In this case, slide the base onto the cord right-side-up first.
Otherwise, you won't be able to fit the base over the plug after you've installed the wires. Slide the base over the other side of the cord. Loosen the terminal screws inside the plug.
Depending on the cord type, the plug will have 2 or 3 terminals, each with a screw and a small metal covering. These are on different sides of the plug so the wires don't touch each other. Locate all the terminals by looking all around the plug housing. Loosen each screw to open up enough room for a wire in each terminal. Tuck each wire into the corresponding terminal.
The screws have colors that correspond to the wires. The green screw is for the green ground wire, the silver screw is for the white neutral, and the brass screw is for the black hot wire. Take the correct wire and tuck it into its corresponding terminal.
Try to loop it around the screw so it stays in place. The screws should also be brass and silver. Tighten the screws to lock the wires in place. With the wires in place, take your screwdriver and tighten up all the terminal screws. A snug fit is enough to keep the wires in place. Then shake the cord and housing to test the connection.
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