Installation Guide
3
4
5
2-FUNCTION
SWITCH
NEUTRAL
120 VAC
LINE IN (HOT)
NEUTRAL
GROUND
120 VAC
LINE 1 IN (HOT)
120 VAC
LINE 2 IN (HOT)
NEUTRAL
GROUND
120 VAC
LINE IN (HOT)
BREAK-OFF
TAB 
INTACT
BREAK-OFF
TAB 
REMOVED
2-FUNCTION
SWITCH
3-FUNCTION
SWITCH
LOAD 1
LOAD 2
LOAD 1
LOAD 2
LOAD 1
LOAD 2
LOAD 3
GROUND
 (C.) TWO-YEAR LIMITED WARRANTY
Go To Research Technologies, Inc. (GTR) warrants to the 
original consumer purchaser of its products that such products 
will be free from defects in materials & workmanship for a 
period of two years from the date of original purchase. There 
are no other warranties, express or implied, including but not 
limited to, implied warranties of merchantability or fitness for a 
particular purpose. During this two-year period, GTR will, at its 
option, repair or replace, without charge, any product or part 
which is found to be defective under normal use & service. 
This warranty does not extend to fluorescent lamp starters & 
tubes. This warranty does not cover (a) normal maintenance & 
service or (b) any maintenance or repair, faulty installation or 
installation contrary to recommended installation instructions. 
The duration of any implied warranty is limited to the two-year 
period as specified for the express warranty. Some areas do 
not allow limitation on how long an implied warranty lasts, so 
the above limitation may not apply to you. GTR’s obligation to 
repair or replace, at GTR’s option, shall be the purchaser's 
sole & exclusive remedy under this warranty. GTR shall not be 
liable for incidental, consequential, or special damages arising 
out of or in connection with product use or performance. Some 
areas do not allow the exclusion or limitation of incidental or 
consequential damages, so the above limitation may not apply 
to you. This warranty gives you specific legal rights, & you may 
also have other rights, which vary from area to area. This 
warranty supersedes all prior warranties. To qualify for 
warranty service, you must (a) notify GTR at the address 
stated below or via our website at www.DewStop.com, (b) give 
the model number & part number identification, & (c) describe 
the nature or any defect in the product or part. At the time of 
requesting warranty service, you must present evidence of the 
original purchase date.
Go To Research Technologies, Inc.
www.DewStop.com
 For 2-function units: Connect wires per either the 
 FIGURE #2 wiring diagram (two single pole 
 switches on the same circuit) or the FIGURE #3 
 wiring diagram (two single pole switches on 
 separate circuits). With either method, each single 
 pole switch controls an independent function.
 NOTE: For separate feed (FIGURE #3) operation
 only: The break-off tab located between the black
 screws should be removed before wiring. Using a 
 standard slotted screwdriver, move the screwdriver 
 up and down in the vertical direction until the tab 
 breaks off. 
 5. ATTACH SWITCH PLATE
 Fasten the switch plate to the rocker switch using 
 the short matching color screws.
FIGURE #2
FIGURE #3
FIGURE #1
1
2
 (A.) SAFETY WARNINGS
WARNING
ALL ELECTRICAL WORK MUST BE DONE IN 
ACCORDANCE WITH LOCAL CODES, ORDINANC-
ES, OR NATIONAL ELECTRICAL CODE AS APPLICA-
BLE. FOR SAFETY, THIS PRODUCT MUST BE 
INSTALLED IN A GROUNDED SWITCH BOX. IF YOU 
ARE UNFAMILIAR WITH METHODS OF INSTALLING 
ELECTRICAL WIRING, SECURE THE SERVICES OF 
A QUALIFIED ELECTRICIAN. 
Turn off power before installing or wiring this product 
and test that the power is off. 
Use this rocker switch only with copper or copper-clad 
wire. Do not use aluminum wire with this device.
WARNING
To prevent serious injury from electrical shock or 
damage to electrical components - DO NOT WIRE 
HOT! Turn off power breaker to this switch.
Total load for the multi-rocker switch is rated at 
15 AMPS, @ 120 VAC.
Do not exceed maximum electrical ratings.
Warranty is void if miswired.
 (B.) INSTALLATION STEPS
 1. WARNING
 To avoid fire or electrical shock, turn OFF power at 
 circuit breaker or fuse. Test that the power is OFF 
 before working.
 2. MOUNT THE SWITCH BOX 
 Install a 2 1/2 inch deep single-gang switch box or 
 a 2 inch deep double-gang switch box.
 3. CONNECT WIRING
 General instructions for all configurations: 
 Make sure both the switch box and the appliance 
 are properly grounded.
 Make sure ground wire is securely fastened to 
 rocker switch's ground screw. Tighten ground screw 
 14 to 16-in. Ibs. torque. 
 Remove insulation, approx. 5/8 inch. Use proper 
 wire nut sizes for number and size of wires. 
 For push-in terminals: Use #14-AWG solid copper 
 wire only. 
 For screw terminals: Use #12 or #14-AWG solid 
 copper wire only. Tighten screw terminals 14 to 
 16 inch Ibs. torque.
 4. MOUNT ROCKER SWITCH IN SWITCH BOX
 Tuck wires into switch box and fasten the rocker 
 switch to box using attached screws.
 For 3-function units: Strip wires to length of strip 
 gauge on the back of the switch. Connect wires per 
 the FIGURE #1 wiring diagram.
Seattle, WA, USA
Go To Research
Technologies, Inc.
FSR-500
FSR-600
2-Function • 3-Function
Rocker Switch
ENGLISH
LANGUAGE
MANUAL
Control 2 or 3 devices while 
only taking up 1 switch location
2 or 3-Function
Switch

