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Wayne Roberts
Wayne Roberts, Electrical Technician
Category: Electrical
Satisfied Customers: 78
Experience:  Electrican 6+ years
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I have a Leviton Timer connected to a toggle switch with 3

Customer Question

I have a Leviton Timer connected to a toggle switch with 3 buttons. The timer is connected to the heater switch. All were working well; light,vent fan, and timer. The cover plate was hard to get on and I had to move both switches around in the wall box. Afterwards, the timer wouldn't cycle off,causing the timer to get too hot to touch! Eventually, the light switch and heater switch quit working. I noticed a small shock when I touched the timer. The breaker never tripped. What could be the root cause of this problem.
Submitted: 10 months ago.
Category: Electrical
Expert:  Wayne Roberts replied 10 months ago.

hello, my name is ***** ***** id love to help, This sounds like your timer is underrated for your application. How many watts total are on the timer and what is it rated for?

Customer: replied 10 months ago.
1800 watts,Leviton LTB601L2
Expert:  Wayne Roberts replied 10 months ago.

The switch is rated at 1800 watts. That is right on the line. I would say that if everything worked for a while and the timer got hot and things stopped working logic would point to the timer.

Expert:  Wayne Roberts replied 10 months ago.

This switch is also designed for lighting, not heating. This makes a difference, inrush currents are not taken into account.

Customer: replied 10 months ago.
My light,vent heater is a Broan model 654H,1300 watt heater
Expert:  Wayne Roberts replied 10 months ago.

ok got it, this fan/light should be on its own GFCI protected circuit. The switch is near its rating capacity. I would contact the manufacturer and request a replacement switch, the heater is drawing current through the switch causing it to heat.

Expert:  Wayne Roberts replied 10 months ago.

It could be faulty, but it soulds like you need a dedicated 20 a switch for the heater.

Expert:  Wayne Roberts replied 10 months ago.

The spec sheet says it draws 12 amps. Thats a whole 15 a circuit.

Customer: replied 10 months ago.
Its on a dedicated 20 amp circuit
Customer: replied 10 months ago.
Looked at my timer switch again,its says 500 Watts
Expert:  Wayne Roberts replied 10 months ago.

yeesh

Expert:  Wayne Roberts replied 10 months ago.

that explains why it got so hot.

Expert:  Wayne Roberts replied 10 months ago.

im betting the switch is fried

Customer: replied 10 months ago.
I need a timer rated 1300W ?
Expert:  Wayne Roberts replied 10 months ago.

yes, and you are looking for the wall mount, ie in the switch box.. style

Customer: replied 10 months ago.
my 3 n 1 switch is probably fried also,heat and light wont work,only vent
Expert:  Wayne Roberts replied 10 months ago.

I would re examine the connections in the fan/heater to the feed to ensure they are good. If you have good voltage and connections at the fan unit then i would start looking at the fan.

Expert:  Wayne Roberts replied 10 months ago.

this is an 1800 watt wall mount timer.

Customer: replied 10 months ago.
Sold at home depot?
Customer: replied 10 months ago.
The leviton timer link you sent is the exact one I have
Customer: replied 10 months ago.
What about the three switches,rated at 20amps,no wattage
Expert:  Wayne Roberts replied 10 months ago.

amps x volts = watts

Expert:  Wayne Roberts replied 10 months ago.

so any 20 amp switch should work.

Customer: replied 10 months ago.
My switch was 15amp-120v
Expert:  Wayne Roberts replied 10 months ago.

wattage rating counts, the one i posted is 1800 watts

Customer: replied 10 months ago.
Which one the digital or the Leviton
Expert:  Wayne Roberts replied 10 months ago.

both

Customer: replied 10 months ago.
I had the leviton timer connected to the heater the back to the switch that turns the heater on,per Broan wiring diagram. Can I send you that diagram?
Expert:  Wayne Roberts replied 10 months ago.

Yes

Customer: replied 10 months ago.
I think what I'll do is get a double switch for the light and fan,and a dedicated spring switch for the heater
Customer: replied 10 months ago.
What do you think
Customer: replied 10 months ago.
This is the wiring diagram I used to wire Broan light, vent,heater.
Expert:  Wayne Roberts replied 10 months ago.

Sorry, Internet problems here on the east coast.

Expert:  Wayne Roberts replied 10 months ago.

As long as your switches are rated for the loads, you will not get that switch heating issue.

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