How to Install Landscape Lighting

Helpful Video About How to Install Landscape Lighting

Landscape Lighting Ideas

• By pointing your landscape lights skyward, you can add some drama and ambiance to your front porch and home. But most importantly, landscape lighting's main role in life is to keep you safe. Statistically, we know homes that are well-lit reduce the chance of crime and accidents.
• If you don't want to figure out wiring, then solar landscape lighting may be what you want. Solar lights are ideal for lighting up paths and flower gardens. Solar landscape lighting comes on automatically as the light falls below a certain level and turns off as daylight increases.
• If you opt to purchase a low voltage landscape lighting kit, then be sure that you have a timer to automatically turn the lights on and off. You can set the timers to come on and off at certain hours of the day. If you'd like to save a little money, check out the Lowes coupon and other Lowes offerings.
Tip: Place timers in an area that is easily accessible. We used to have one that was hidden behind some shrubbery and it was very inconvenient to reset the timer.

When daylight hours lengthen and shorten, you need to adjust the timer - which is a minor drawback.
• Motion lights are another alternative if you don't need your landscape lights on all night. They are important for your safety and security. You may want to have landscape lights on the sides or back of your home - areas that you do not frequent at night.
• No one should ever see the actual source of your lights! Light bulbs should be shielded to prevent glare.
• Landscape lights should not exceed 20 watts (preferably in the 7 -13 watt range is best). Landscape lights should not be bright but sufficient for task at hand. For example, your lighting should be bright enough to light your steps.
• Avoid lighting trees. They weren't ever meant to be lit and especially not lit all night. Foliage, to include trees, need darkness in order to grow; don't mess with Mother Nature!
• Live near saltwater? Select brass or copper light fixtures.

Lighting Your Steps

• You are smart to use extra lights to illuminate your steps. Our eyes need time to adjust from a well lit room indoors to a darker environment outdoors. Usually a porch light is insufficient to illuminate the steps.
• Space lights evenly and ensure the light is directed downward. For best results place lights at both the top and bottom and along the sides if your staircase is long. If there are only two or three steps you may be able to use one light if its beam is sufficient to light all stair treads.
• Another great option is to hang sconces on your columns at the top of the stairs. Depending on your porch ceiling, overhead, hanging lantern, or coach lamps can all be used to accentuate your porch and provide great lighting.
• Try to avoid spotlights near your porch. Although they can provide sufficient light they tend to create glare and make it difficult for people to differentiate between steps.

Lighting Walkways

• Place lights on posts at a sufficient height to cast light downward and out on the path. Lights set too low cannot illuminate the entire tread. Lights set too high may be ineffective.
• Place down-lights on trees or arbors if there is a broader area to light but should not be the only light to illuminate steps.
• Place lights into retaining walls to make them less obvious
• Install filtered-glass blocks in sidewalks and light them from below

Install Low Voltage Landscape Lighting

• Step 1: Determine what area(s) you are going to light and as important how you are going to run the cable. For instance, I ran cable along our walkway adjacent to the house. I also wanted to extend it to the other side of the walkway to cover a small area adjacent to the porch. That meant I had to go under the walkway at one point. Second, I only had one receptacle (and it is located on the porch itself). That meant I had to add an additional exterior receptacle. Knowing these things before you purchase your lighting kit allows you to assess exactly what you will need.
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Running cable: Running cable under a walkway can be done, either with effort or renting a tool to do the job.

The labor method is to dig a trench approximately 8-12" and 3-4 feet long on either side of the walkway where your cable will be placed. Take a piece of pipe (3/4 to 1" in diameter), thread a string or wire through it and secure it on the other end with tape.

Cap the ends of the pipe and drive it through to the other side. Take the end cap off and secure the string/wire. Pull the pipe out leaving the string under the walkway and visible on both sides. Secure your cable to one end of the cable and pull it through.



Adding an external receptacle for your transformer: Although installing landscape lighting is an easy DIY project, adding an external receptacle should be accomplished by a licensed electrician.

Although most jurisdictions allow the homeowner to do their own electrical work, electrical codes, materials, and installation methods are quite different than interior residential wiring. It is well worth the peace of mind having a professional extend your on your home or into your yard.

NOTE: All exterior receptacles must be GFCI protected. If you already have an exterior receptacle you will be using ensure it is GFCI protected or replace it with one. No exceptions! A GFCI is the only device that can save your life from electrocution.


Laying out your landscape plan should also detail where you need additional electrical receptacles for your transformers. You will need to know how much cable you will need and the number of lights on that cable.


• Step 2: Use the chart below to determine the cable size you will need based on the information in Step 1 above.
• Step 3: Place the lights where you want them and drive the light stakes into the ground. Try to place them where they will be protected from weed eaters and mowers if possible. Your yard won't look the greatest if your landscape lights are bumped in all directions. Make sure to leave the wire leads exposed.
• Step 4: Trench digging time. Trench the length of the cable run about 6 inches. This is low voltage cable so it does not have to be buried 12". However, bury it deep enough so as not to be easily cut by mowers or thatching machines.
  
  This cable can be easily repaired if cut. Lay the cable in the trench, attach the clips from the lights to the cable and cover the cable. On the very end of the cable use electrical tape to cover the exposed end.
• Step 5: Attach the end of the cable to the transformer box. Split the cable into two wires, strip the covering back about 3/4" on each, and attach each end to each of the two terminals.
• Step 6: Hang the transformer in a safe place near the receptacle to protect it from weather. Also, place it in an accessible location as you will be changing the time periodically throughout the year. Plug the transformer into the receptacle. Set the clock. Set the timer dials to control when you want the lights on and off.

Transformer and Cable Tips

Voltage Basics

• A transformer is required. For outdoor lighting it is connected directly to an outdoor receptacle and powers your lights.
• It costs less to install and operate and is safe around water
• The bulbs will last longer and have more color options.
• If you plan to use 120v lighting, I recommend you consult a licensed electrical contractor.

Transformer Calculations

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