Question about Cooper Wiring Devices 277W-BOX SINGLE POLE SWITCH & RED NEON PILOT LIGHT

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I bought a combination Single pole Switch & Pilot Light. I have problem with connection for the pilot light. Can you help me with a guide for connection.

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Posted on Jan 02, 2017

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SOURCE: I need the wiring diagram

I have 120Volt cooper 277 pilot light switch here in my office.
Dang instruction sheet shows wiring for all kinds of cooper devices.
EXCEPT pilot light switch.

So I tested with multimeter and came up with following:
Key to any wiring device is color of screws.
Hot from breaker box always goes to dark-colored screws.
Neutral always goes to silver-colored screws.
Brass screws are for Hot wires from breaker or Hot going to Load
Green screw - ground
geno_3245_130.jpg

Posted on Dec 03, 2010

Testimonial: "This diagram is, truly, helpful. Thank You! "

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  • 1 Answer

SOURCE: Leviton Single Pole Switch with Pilot Light Model 277W Box

Depends on whether you want the pilot to glow when the circuit is live (the main light is on) or to glow when the circuit is off. (The switch can be used either way, and I have used this switch in both configurations at different places.)

The wiring diagram is on the inside of the box.

In indicates that if you want the pilot light to glow when the circuit is off, then you only need two wires (the live and the return, usually colored black and white, respectively). However, you also need a ground. The instructions say that you need the ground for safety (and probably legal code) reasons, but I suspect that, without the ground, the pilot light won't work in this configuration.

However, if you want the pilot light to glow when the circuit is on, you probably need a three wire configuration (plus the ground).

Hope this helps.


Posted on May 05, 2009

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1 Answer

I connected the combo per diagram and the outlet is powered only when the light is off. No pilot light at all.


Which combo device do you have??
Include model number so expert can look at the specific manual.

Is this a switch-outlet combo with indicator LED?
Or is this a switch-pilot-light combo that controls separate outlet.

What does the switch control?
What device did you replace?
Did you replace a single-pole switch, or a 3-way switch, or an outlet??
Add a comment including as much detail as possible.

Copy following link for specific wiring diagrams
http://waterheatertimer.org/How-to-wire-switches.html#combo

Sep 09, 2012 | Cooper Wiring Devices Combination Switch &...

1 Answer

Recently installed leviton combination switch was working correctly. Now when power is being drawn by the hot water tank it controls the pilot light goes out. Any suggestions or is the switch faulty?...


Pilot light switch is usually rated 15 amp.
Check amp rating of device.
Check volt and watt rating on nameplate of water heater.
4500watt element divided by 240volts = 18.75amps
http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html

If you have 120Volt under-counter water heater, then add a comment.

I recommend using contactor to control water heater when using a switch rated for less than 30amp.
Contactor controls water heater. Switch controls contactor.
http://waterheatertimer.org/Ordinary.html
http://waterheatertimer.org/H230A.html

Aug 24, 2011 | Leviton COMBINATION SINGLE POLE TOGGLE...

1 Answer

I am trying to wire a cooper 277 swich to control an outlet. I am having a hard time getting it to work. I have followed the wiring diagram with no luck. I would like the Pilot to be on when the switch is...


Open following link for cooper 277 wiring illustration:
http://waterheatertimer.org/images/Cooper-277-pilot-400.jpg

Wired as shown in illustration, the pilot light and the Load will come on each time switch is turned on.
The illustration show Load is light bulb.
In your case, the Load will be an outlet instead of light bulb.
So the Load will have 2 wires. The black wire from switch connects to brass screw on outlet. The neutral connects to silver screw.
Bare ground wires connect to green screws.

Jul 04, 2011 | Cooper Wiring Devices 277W-BOX SINGLE POLE...

1 Answer

I have a Leviton single pole rocker switch grnd, pilot light back and side wired #5628-2W i am trying to hook it up so light is on when switch is on i have 2 black wires 2 white wires and 1 ground wire how...


easy one first: ground wire to green screw. We have to assume the two black wires are the hot(coming from power source) and switch leg(going to light). Switch will have two brass colored screws. Looking at the switch with the off/on markings right side up. Put hot wire on upper screw and switch leg on other brass screw, With nothing hooked up, the hot wire will be the only wire with voltage on it. You can buy a non-contact voltage tester at Lowes or any place that sells electrical supplies. Now we must assume the two white wires are neutrals(one coming from power source and one going to light. The pilot light part of the switch will either have a silver colored screw or a white pigtail on it. all whites hook together. The pilot light is wired internally to the switch leg. Your switch should work properly now.

Jan 28, 2011 | Leviton COMBINATION SINGLE POLE TOGGLE...

1 Answer

I need the wiring diagram for a Cooper 277W single pole switch with pilot light. The light is to be on when the switch is on. Thanks!


I have 120Volt cooper 277 pilot light switch here in my office.
Dang instruction sheet shows wiring for all kinds of cooper devices.
EXCEPT pilot light switch.

So I tested with multimeter and came up with following:
Key to any wiring device is color of screws.
Hot from breaker box always goes to dark-colored screws.
Neutral always goes to silver-colored screws.
Brass screws are for Hot wires from breaker or Hot going to Load
Green screw - ground
geno_3245_130.jpg

Dec 03, 2010 | Cooper Wiring Devices 277W-BOX SINGLE POLE...

1 Answer

Trying to hook up a pilot light switch to a gfi recp not having much luck with getting it to work properly i got 2 conductors from the panel and 2 conductors going to the gfi recp and on the switch i have...


It is unclear what pilot-light-switch is supposed to turn on-and-off.

Option A) pilot-light-switch is going to turn GFCI on-and-off
Option B) pilot-light-switch is getting power from existing GFCI circuit, and switch controls another Load (light, fan or motor) located elsewhere.

Add a comment at any point.
Bare copper wire always connects to green screw.

1) I have a Cooper pilot-light-switch in my office.
Black Hot wire from breaker always connects to dark-colored screw(s).
White Neutral wire from breaker box connects to silver-colored screw
Wire going to Load (light, fan, motor) connects to brass colored screw.

2) Two things happen when pilot-light-switch turns ON:
a) Pilot light turns on. This circuit is powered by black Hot wire, and circuit is complete with white Neutral.
b) Brass screw that had no power, is now powered.

The GFCI:
Hot from breaker always connects to brass-colored Line screw
Neutral from breaker connects to silver-colored screw that is opposite Line screw.
If other switches and plugs are going to be protected by GFCI, they connect to brass Load screw and to silver screw that is opposite Load screw
geno_3245_83.jpg

Option A) You want pilot-light-switch to turn on GFCI receptacle.
a) Wire pilot-light-switch as described above
b) Black wire from GFCI line-screw connects to brass screw on pilot-light-switch.
c) White wire from GFCI silver-screw-opposite-line-screw connects to any white Neutral.

Option B) Pilot-light-switch is getting power from GFCI receptacle AND you want pilot light switch protected by GFCI.
a) Black wire on pilot-light dark screw connects to Load screw on GFCI
b) White wire on pilot-light silver connects to silver screw on GFCI that is opposite Load screw

Option C) same as option B except pilot-light-switch is NOT protected by GFCI.
a) Black wire on pilot-light dark screw connects to Line screw on GFCI or any Hot wire
b) White wire on pilot-light silver connects to silver screw on GFCI that is opposite Load screw or to any Neutral wire

Nov 19, 2010 | Cooper Wiring Devices 277W-BOX SINGLE POLE...

1 Answer

I have just installed 2 Leviton decora switch with pilot light Leviton 5637-i. The pilot light on both switches are not lighting, the switches operate the light and fan fine. It is wired as shown in the...


This is a single pole light switch and should be wired as any other SP switch. The only difference is that is has a pilot light. All the white neutral wires are tied together and then pushed back in the box with none connected to the switch. The grounds are tied together with a jumper wire connected to the green screw on the switch. That will leave you with 2 or more black wires. If you have just two normally you can connect them to the two screws on the switch and it does not matter which screws. However it may be that with the pilot light you need to connect the wire going to the light to the top screw and the power wire to the bottom or vice versa. Try both ways. If you have more than 2 black wires you need to connect the incoming power black wire and outgoing power black wires together and then jump to one of the screws on the switch. The black wire left over is the black wire going to the light itself. If none of this works then it is obvious the pilot light in the switch is burnt out.

Jan 06, 2010 | Leviton Ivory Decora Switch & Pilot Light...

1 Answer

Leviton Single Pole Switch with Pilot Light Model 277W Box


Depends on whether you want the pilot to glow when the circuit is live (the main light is on) or to glow when the circuit is off. (The switch can be used either way, and I have used this switch in both configurations at different places.)

The wiring diagram is on the inside of the box.

In indicates that if you want the pilot light to glow when the circuit is off, then you only need two wires (the live and the return, usually colored black and white, respectively). However, you also need a ground. The instructions say that you need the ground for safety (and probably legal code) reasons, but I suspect that, without the ground, the pilot light won't work in this configuration.

However, if you want the pilot light to glow when the circuit is on, you probably need a three wire configuration (plus the ground).

Hope this helps.


May 02, 2009 | Cooper Wiring Devices 277W-BOX SINGLE POLE...

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