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How to wire occupancy sensor/ and motion detectors

Motion sensors at Amazon
Wireless motion sensors at Amazon
Wireless motion sensor / for alarm system at Amazon
Occupancy switches/ sensors at Amazon


Cooper motion sensor wiring/ by model number
Leviton motion sensor wiring
Leviton occupancy sensor
Pass and Seymour occupancy sensors
Tork SSA 120V 277V 24V 50-60Hz occupancy sensor

Wiring varies by brand and model number

And wiring varies by type of application.
Some swithces are single-pole only.
Some are single-pole or 3-way. Some are 4-way.
Some require companion occupancy sensor for 3-way and 4-way application.
Some require neutral wire, while others do not.
Generally if no neutral wire is required, then the type of load is limited to incandescent lights.
Some occupancy sensors/ motion detectors turn On automatically, while others are activated by push button.
All occupancy sensors turn off automatically.
All occupancy devices can be set for range of delay times
Occupancy switch

How to wire single pole occupancy switch

You are Replacing single pole switch
Wall switch has 2 wires, plus green ground screw for bare-copper ground wire.

Single-pole Occupancy switch has Black Red White Green wires
If occupancy switch is rated single-pole and 3-way, then it will have yellow or blue wire in addition to red wire shown in illustration. With the single-pole 3-way, the red wire is capped for single pole installation. Use the blue or yellow wire to connect to load (light fan motor etc).

Heres what to do
1) Occupancy-green-wire connects to bare ground wire.
2) Single-pole switch being replaced has 2 wires.
Take Single-pole switch wires and connect them to Occupancy-black-wire and Occupancy-red-wire.
Choose either one for now.
(Variations exist for 3-way and multiple location occupancy sensors)
3) In back of electric box are white wires twisted together and covered with wire connector. Connect Occupancy-white to these wires.
4) If electric box does not have white wires described above, then connect Occupancy-white to bare ground. Occupancy switch will work until you have time to run additional White neutral wire from nearby outlet.
5) Turn on electricity, and activate occupancy switch. If lights come on, Occupancy is wired correctly. If lights do not come on, then reverse Occupancy-red and Occupancy-black wires.

If Box does not have white neutral wire, then connect occupancy-white to bare ground wire.

No white neutral wire

If your new device has just 2 wires, and no white neutral

Use same diagram shown above, except there is not white wire
2-wire devices are rated for incandescent-only
Check rating sheet shown in product manual

How to wire single-pole occupancy switch

You are Replacing single pole switch, but there are only two wires and a ground wire in the switch box. There are no neutral wires.

Installation is same as described above, except the occupancy switch white wire is connected to the bare ground wire.

In the case of occupancy switches rated for single-pole or 3-way, then the red wire is capped off for single pole installation. Yellow wire or blue wire is connected to Load.

How to wire single pole/ 3-way occupancy switch

If occupancy switch is rated for single-pole AND 3-way
Then Red wire is capped for single pole

Motion detector switch

Power consumption

Typical in-wall occupancy switch runs full time, consumes .8 Kwh per year
Occupancy switch consumes power because it is standing ready.
When person enters area covered by occupancy switch, the electronics inside switch must be On so occupancy switch can detect motion, heat or sound.
Advantage of occupancy switch is that light or fan etc will not remain turned On and consuming power for many hours ... which will ultimately consume much more power than .8 Kwh per year.
How to wire motion sensor

How to wire floodlight motion sensor light ... outdoor off-delay light switch

Incoming wire has Black and White
Motion sensor has Black Red White

Connect Motion sensor Red wire (Load wire) where incoming Black wire used to connect
Connect incoming Black to motion sensor Black
Connect White to White

When finished, the light switch must remain ON position
Make sure wire connectors are tight and cover all of copper wire
How to select correct wire connector

Floodlight motion sensors at Amazon
Motion sensors at Amazon
Replacement motion sensor at Amazon
Zenith wireless motion sensor floodlight
wire motion detector
Larger image

Both bulbs turn ON with motion detector

Connect all white wires together
Black wires from lights connect to red wire from motion sensor/ Cap this connection/ it is finished
Black wire from motion sensor is separate.

Black wire from switch connects to black wire going to motion detector
White wire from switch box connects to white wires.

Screw wire connectors very tight.
Make sure all bare wire is covered with wire connector
Make sure wire connector cannot pull off

Connect ground wires to each green ground screw.
Connect all ground wires together.
Motion sensor

How to wire motion sensor light ... so 1 bulb ON, and other bulb turns ON with motion sensor

Install smaller wattage bulb for full-time lighting
Install larger wattage bulb for motion sensor
Dual bright motion detector

Dual-bright motion sensor/ brighter when motion detected

Uses existing light fixture.
Light bulb automatically ON at dusk, but becomes brighter when motion is detected
Replace single-pole light switch with dualbright switch.
NO Neutral wire needed... do not connect antenna wire on dual bright switch to any wires inside box.
Single-pole switch has 2 wires... connect either of these two wires to either two black wires on dual bright switch. Connect dual bright green wire to bare copper ground wires. No other wiring needed.
Attach wireless motion detector to wall outside, after installing 2 AAA batteries.
5 brightness settings

Dual bright at Amazon
Zenith wireless motion sensor floodlight
Dualbright manual
programmable screw in light control

Programmable screw-in light control

On at dusk.
Off at dawn, or OFF 2,5, or 8 hours later


Programmable screw-in light control/ Westek at Amazon
Photocell dawn-dusk screw in light control at Amazon
Screw-in motion sensor

Screw-in motion sensor for exterior light

No wiring needed
Screw-in motion sensor at Amazon
Add motion detector to light

Add motion detector to lights

Connect motion sensor to outdoor lights
Or connect to silent dog whistle to wake dog
If you have dual light, the motion sensor can be installed in place of 1 light
Or add motion sensor anywhere nearby, and run wire between light and sensor.
Disadvantage of adding sensor is that light can not be turned ON with switch
The switch must remain ON for motion sensor to work
To overcome this problem requires another line run from switch.
Or add another light controlled by remote switch.
120 Volt white Motion sensor at Amazon
120V bronze motion sensor at Amazon
Wireless switch at Amazon
Zenith wireless motion sensor floodlight
Barking dog alarm at Amazon
Motion sensor
           Wireless motion sensor

Wireless motion sensor

120Volt hardwire systems are generally more reliable, and will work in freezing temperature... while batteries have shortened lifespan in freezing cold


Wireless motion sensors at Amazon
Wireless motion alert sensor long-range at Amazon
Wireless spotlight and motion sensor

Buy wireless alarm system::
Wireless motion sensor at Amazon
Skylink system at Amazon

motion sensor plug

Motion activated outlet

Buy at Amazon
Motion sensor outlets at Amazon
Plug in motion activated light/ 100 watt

Plug in motion activated light/ 100 watt

Always unplug cords before working with outdoor lights, to avoid possible shock
Always plug outdoor extension cords, timers, and light to GFCI-protected outlet

Plug in motion light at Amazon
Motion lights at Amazon
How to wire GFCI (ground fault circuit interrupter)
Water-tight cord lock

Water-tight cord lock -or- choose weatherproof cord connection box

Use cord lock to safely and securely connect outdoor cords
Always unplug cords before working with outdoor lights, to avoid possible shock
Always plug outdoor extension cords, timers, and light to GFCI-protected outlet
Water-tight cord lock
How to wire GFCI (ground fault circuit interrupter)
Motion sensor turns ON pump

Motion sensor controls heavy-amp Load

Use contactor to control Heavy-amp loads
Wire size and motor amp draw charts

Motion sensor
Motion sensor at Amazon
120V bronze motion sensor at Amazon
Fuse-protect line to motion sensor
In-line fuseholders
Reverse Motion detector

Turn off motion after motion is detected
Turn off lights when motion is detected, so they can't find your beer

Reverse motion sensor so Load turns OFF

To reverse operation of motion sensor
So Load turns OFF when sensor activates
Motor runs full-time until motion sensor activates
Install timer on Hot line to control when motor is ON.
Project materials:
    NO NC Relay
       Omron                  30Amp DPDT
Omron LY2 at Amazon / Choose 120Volt coil

30 Amp DPDT relay at Amazon
12 amp DPDT relay Packard at Amazon
Add photocell to outdoor lights
Larger image

Add photocell to outdoor lights

Leave switch turned ON

How to wire photo eyes

Buy Tork 3002 mechanism at Amazon
Photo cells at Amazon
Zenith wireless motion sensor floodlight
 Marktime 30 amp countdown timer    Grasslin ET616

Other OFF-delay devices  

       Ordinary countdown timers for bathroom fans, whole-house fans
       Countdown timer horsepower ratings

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