How To Run Cables For Your Surround Sound System

of this article, need to know this disclaimer. Some ofstud finder horizontally marking your studs and then
the practices you encounter in this article pose somevertically, marking your studs. You will find a stud
risk. Be careful when crawling in an attic or crawlnear the bottom at floor level and you will find a stud
space with sharp tools. Be wary of any spiders,at the top of the wall.
rodents or any other creatures that may be lurking inSpeakers should be mounted just above ear level
these spaces. If there is any question of safety, thenwhen sitting down. Mark this vertical position with
call a professional and let them do the work for you.your pencil. Speakers should also be mounted in a
There is always risk when working with toolsstandard surround sound configuration. Please see my
especially if you are unfamiliar with their dangers.article on surround sound speaker placement for this
You have your new surround sound system andinformation.
have the cables ran across the floor and now haveNow you are ready to start running the cable.
thrown bits of carpet across the wires so you doWire Fishing Prep
not trip over them, or perhaps you have run theTo prepare for your cable runs take your drywall
cables along your baseboard and either stuffed itsaw and cut open a section of drywall about 1 ½
underneath the edge or stapled it across theto 2 inches square.
baseboard. Now you wish you hadn't and want aCheck visually or place your finger into your cutout
“Professional” installation. You can do theto check to see if you have insulation. If it is an inside
professional installation yourself with a few tips.wall you may or may not have insulation in the walls,
One of the most complicated parts and most laborif it is an outside wall you will have insulation (if you
intensive parts to installing a surround sound systemdon't you really need to).
is running cables from the speaker placements to theTake your Extended flex bit and drill and carefully
surround sound amplifier. With some tips presentedguide it up or down, depending on where you are
on this article, perhaps this will become a little easier.going to run your wires to. Try to target the center
Know why a professional charges so much for theof the stud, this is difficult at best, but after a couple
installation, it is hard work. It is not nice to crawl in anof trials, you will start to get the hang of it. Drill
attic or basement or any crawl space. You will getslowly at first until you establish a guide hole, also
dirty and sweaty and wish that you had paidyou want to make sure that you do not drill through
someone at times. In the end, though it is satisfyinganything else other than the stud. Try to catch any
and does save quite a bit of money.misguided drilling early. Once you are sure you are on
The first thing you should do is to find where youcenter stud and not drilling back through the drywall
want to place your speakers. There is no sense toor the other side of the wall, you can increase the
running any cable without knowing exactly wherespeed of the drill until you are through the stud. If
you want the end point to be. Please see my articlethere are other horizontal studs, continue drilling until
on surround sound speaker placement. Wire for theyou have gone through them all.
future, you may be installing wiring for a 5.1 surroundOnce you have drilled through all of the studs and
sound, but what happens when you upgrade to a 6.1the drill bit is sticking through the attic or basement,
or a 7.1 surround sound. Since you only want to doSTOP. Do not pull the bit back out. Now it is time to
this chore once, make sure that you do it all and doget a length of pull string, be generous. If you have a
not have to do it again down the road. Make sure6 foot drop, do not measure off 7 feet, measure 10
and double check your speaker placement, same ruleor 12 feet so that you have plenty to work with.
as measure twice and cut once. You want to beMake sure that a second person is available now.
absolutely sure that you do this once and once onlyMake a trip to the attic, basement or crawl space.
and not do double work, nothing is more frustrating.Bring along some supplies. You'll need your flashlight,
The next step is to determine the best route forelectrical tape, pull string and pliers. Navigate your
your run. For this you need to know your home,way carefully in the attic, basement and crawl
become familiar with your home and all of the crawlspaces, be especially cautious for any creatures that
spaces, attic spaces. Know what types of walls youmay live in these spaces; spiders, rodents, centipedes
have and the insulation inside those walls, also makeare just a short list of what you might encounter.
sure you know where your studs placed. DetermineTry not to disturb them and they will not disturb you.
which route out of the ones you have available willRemember that this is an exercise in running cable
be the easiest to work with. Knowing all the optionsnot an extermination exercise.
that you have to run the cable will always make thisFind the tip of the drill bit, making sure that you do
task easier.not stab yourself with the sharp tip. There is usually
Gather your toolsa center hole in most Extended Flex Bits, carefully
Make sure that you have all of the tools that youthread your pull string into this center hole and make
may need to do the job. This can vary greatly froma small knot. Use your electrical tape and tape around
each cable run. Below is a list of commonly usedthe tip of the drill bit and over the pull string and
tools.knot.
Drill - I would suggest a cordless 18 volt fully chargedSignal to your second person to pull the drill bit back
drill. Make sure it is fully charged. Nothing is moreto themselves, they may have to rotate the drill bi
frustrating than a drill dieing before the work isto do so. Make sure there is plenty of clearance
complete.between the drill bit and yourself. **If you do not,
Drill Bits — Quite a variety of drill bits out therethere is a risk of injury or death**. Be EXTRA
to do a variety of jobs. Make sure that the bit is longcautious. I cannot stress this enough, you do NOT
enough to do the job, but not too long. Here are thewant a drill bit to go through your arm, leg, eye, etc.
most commonly used types.If you are now worried, then call a professional to do
Paddle — A wide bit used for cutting holes inthis work or use wire raceway.
wood. The bit is flat squarish with a sharp tip taperingIf you do inadvertently pull the bit back out, use a
to a point.Drop Chain from above or a Fish Tape from above
Auger Bit — has a screw tip followed by aor below and carefully fish the empty space. The rule
wider drill cutting edge. Used for cutting throughof thumb is, if it is a non insulated wall, use a drop
wood.chain, if it is a insulated wall, use a fish tape. Fishing a
Twist drill — a standard drill bit useful for drillingwall with a Fish Tape is a bit more of an art than a
through wood. Not as wide as an auger bit or paddlescience and does take considerable practice. A drop
bit, more useful for drilling smaller holes.chain however is simple enough, drop one end of the
Extended flex bit — A long twist drill bit with achain down the hollow space and let gravity take
variety of tips. Make sure to have one with a centerover, don't let go of the other end of the chain,
hole, useful for attaching a pull string. They come in aotherwise it will be lost. If the space is insulated, then
variety of lengths from 3 to 7 feet long. Perhaps theyou have to use your Fish Tape. It is best to avoid
most important bit for this type of work, everyonethis all if possible and leave the drill bit in the wall and
should have one.fish with it instead of using a fish tape.
Masonry bit — Useful for drilling throughOnce the second person has pulled out the drill bit
concrete or stone.and the pull string, secure the pull string into the attic
There are many other types of drill bits, make sureonto a cross beam with a secure knot. Have the
to choose the ones that will do the job for you.person assisting you secure the pull string on his end
Pull string — a variety of items can be used asas well, you do not want to accidentally pull out the
a pull string, make sure that the pull string is strongpull string and have to start over again.
enough to do the job. One of the most commonContinue to repeat this until all of your pull strings are
types is a Polyolefin Pull Line, a strong pull string thatin place. Do not forget that you need to drop all the
usually comes by the bucket.wires down to the surround sound unit itself.
Fish Tape — a steel ribbon or fiberglassFishing your Cable
enclosed in a round encasing. Fish tape is used toIf all goes well, you now have all of your pull strings
push up or down through a wall. They come in ain place and are ready to pull the wire into the attic,
variety of lengths.basement or crawl space. Attach one reel of speaker
Drop chain — a length of chain, usually acable to each of the pull strings. Take the speaker
hanging plant chain. Useful for dropping down drywall.wire and loop it back onto itself, secure the loop with
Drywall Saw — a short saw useful for cuttingelectrical tape. Mark each cable with a permanent
drywall.marker as to it's location so there is no guessing,
Pair of pliers — Needle nose pliers for grabbingmark it in several places. Take the pull string and tie a
things you just can't reach.knot through the speaker wire loop you just made,
Electrical Tape — For taping the wire to pullmaking two loops. Secure both loops by wrapping
string or to fish tape or drip chain.electrical tape around both loops. Repeat this for all
Sonic Stud Finder — Since you can't lookwire drops.
through walls, a stud finder will help you plot outTest each loop you have made by trying to pull
where the cable can be pulled and the potentialthem apart with some pressure. If it falls apart
obstacles that will get in your way.without too much pressure, you need to try a more
Pencil and good eraser — So you can marksecure loop. If it holds then you are ready to fish.
the studs and where you will be drilling.Have your assistant stay with the wire and pull string,
Inductive Amplifier — To check to see if theretheir job is to make sure all pulls will go smoothly and
will be potential interference along the way.not tangle or snag. Your job will be to climb again into
Flashlight — I prefer the type that can strapthe crawl space, basement or attic. This should be
onto your head to keep your hands free.the last time. Bring your tools and wire fasteners with
Hammer — Used to secure various fasteners.you, you'll need your Flashlight, Electrical tape, pliers,
Screw Driver — Used to secure varioushammer (if using nail in fasteners) or screwdriver (if
fasteners.you are using screw in wire fasteners).
Permanent Marker - To mark you cable with it'sRoute your cable out of the way, so if you have to
location.access the area again, you are not dealing with a
Level — For mounting your speakersspider web of wires. I suggest routing along cross
A second person — I know, not a tool.beams, attaching the wires to each beam you have.
However, a second person comes in very useful, youOf course this all easier said than done and it will take
can't be in two places at once.quite a while to route all of your cables. Pull all of the
Gather your supplies.cables to where your surround sound system will be.
Here is a quick list of supplies you need to gather forTake all of your cables and bind them together with
your cable.electrical tape, making sure that one of the cable
Proper Speaker cables — please refer to myruns is 6 inches longer than the others. The reason
article about speaker cables. Make sure that youfor this is simple, you want to double over one cable
have enough cable. I would suggest having a reel ofand not 6 or 7 cables, this make fishing downwards
cable for each run you perform. This saves an(or upwards) much easier.
incredible amount of time and effort. Be sure to haveLoop the long speaker wire and attach it to itself.
a lot more cable than you need. The last thing youTape it together. Take the pull string and tie a knot
want is to be a foot too short on your cable.through the speaker wire loop you just made,
Fasteners — Anything used to secure themaking two loops. Secure both loops by wrapping
wire. Staples, wire loops, hooks etc. You do not wantelectrical tape around both loops.
your wire hanging down in large loops.Test each loop you have made by trying to pull
Drywall or wood screws — For attachingthem apart with some pressure. If it falls apart
fasteners and for mounting speakers.without too much pressure, you need to try a more
Drywall Anchors — I prefer the Threadedsecure loop. If it holds then you are ready to fish.
Drywall Anchors for their strength.Have your assistant pull the pull string and cable down
Survey the cable runs(or up) until they have the cable in their hands.
The single most important decision you will need toWiring your Surround Sound
make is where you will route the cable. It is alwaysThe difficult work is now done, now it's just a matter
best to route your cable to an unfinished portion ofof wiring your surround sound and mounting your
the house, unfinished attic, basement, crawl space,speakers.
underneath the house. Try to avoid tearing up theUntape your wire and route behind your surround
drywall or beams in your home, try to keep thesound system. Identify each cable (using the
cable as concealed as possible. If there is not amarkings you made earlier) and separate out the
unfinished portion or any place you can crawl to, thenwires. Identify which wire you are going to use for
skip to the wire raceway section.positive (red) and negative (black). Cut approximately
This means that you measure the length of cable½ inch from the end to remove the insulation so
you need as well as crawl in the attic or basement orthat it is bare copper. Twist the strands of copper
any other crawl space that you need to. Make suretogether so that it forms a tight ribbon of cable.
to survey the entire run of the cable so that thereInstall each copper wire in its correct connector.. Do
are no surprises. Check for pipes, electrical cables,the same for your speakers.
lights, you do not want to route too close to any ofMounting your speakers
these items. Pipes (hot water) can damage yourThankfully, most speakers these days are light
cable. Electrical cables, light can place a hum or buzzweight and can hand directly from the drywall. Use
on the wire (since a wire acts as an antenna). BeThreaded drywall anchors and screws if you have
sure to never run a speaker cable side by side withdrywall. If your speakers are heavier then you may
an electrical cable, keep a foot or more distance. Ifhave to use mollies (expansion bolt) or toggle bolts
you have to cross across an electrical cable, that isto mount your speakers. Use a level.
fine, keep at least 2 foot distance from florescenceUnRoutable Cables Wire Raceway
lights. Keep 1 foot distance from lights. Route yourOf course there are always times that you are not
cable so that is out of the way, following the crossable to access above or below the room you want
beams. If you want to do some preliminary workto wire. However hope is not lost. You can still have
then hang wire fasteners along the route you wanta professional looking installation, you will just have to
to take. This will make the wire installation go muchpay a bit more.
easier.Wire Raceway is a product sold in many hardware
It is always best to route your cable to an unfinishedstores, it is often found in electrical supplies. It's a
portion of the house, unfinished attic, basement,cable management system that is easy to install,
crawl space, underneath the house. If there is not ausually peel and stick. They make straight raceways
unfinished portion or any place you can crawl to, thenand angled raceways and couplers.
skip to the wire raceway section.Before buying wire raceway plan your route and
Make sure you have enough length of cable to domeasure the length of raceway you need. If you
the job. Please see my article about Speaker cableshave to make turns on the same wall, you need a 90
to help you choose which cable will be best for you.connector. If you have to join 2 pieces of wire
Since most speaker cables come on reels, I wouldraceway, then you need a coupler. If you need to
suggest get a separate reel for each cable you wantjoin 2 pieces on adjacent walls you need an elbow.
to pull, this will make your experience so much easier.Make a list of the types of connectors and raceway
An inductive amplifier is used to pick up RF signalsthat you need before going to the hardware store. I
that your cable may inadvertently pick up. Speakerrecommend using the plastic raceway, it is
cable can act as an antenna and when combined withconsiderably easier to mount.
an amplifier will play this RF (radio interference) overWhile at the hardware store, do not forget to buy a
your speakers. In the area you want to run thelarge level, this will help you with the installation.
cable, scan with the inductive amplifier to hear if youInstallation of wire raceway installation is very easy
have any hum or noise. In an optimum area, thereso I will only give a couple of tip to its installation.
should be no buzz or hum.1)Always use a level to install raceway.
Since you do not know what is in your walls use a2)Never place the raceway to the edge of a wall,
sonic stud finder and scan the wall from the speakerallow at least ¼ inch so that you may snap on the
placement to either the top of the wall or to thefront cover.
floor.. Mark any studs that are in the way with a light3)Plan your route before sticking the wire raceway
pencil mark. Given the standard spacing using to4)To secure raceway with more than the double
frame most houses, expect to find most studs 16 orstick adhesive on the back, drill a screw through the
24 inches from center. Scan the walls with your sonicraceway.