Questions tagged [gauge]

For questions dealing with devices or instruments used to measure things.

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1answer
59 views

What type and gauge ground wire do I need when using 1/0 hot and neutral wires

I have a 260 ft run from my main 225A panel to a 100A subpanel in a steel shop out in my yard. I have a #4 bare copper wire grounded to the rebar in the foundation of the shop. Not knowing what I ...
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2answers
88 views

QT/tandem breaker wire gauge

Can I use a 14-3 Romex for two different electrical circuits on a 15A QT/tandem breaker? Or should I use one 14-2 for each? My mistake, apologize. Post edited: the QT breaker is a space saver. My ...
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3answers
512 views

EMT Conduit Capacity with Mixed Guage

I want to pull two circuits through 1/2" EMT. Three of the wires would be 12AWG and other three 10AWG. I've found a couple of tables that say I can run 5 10AWG or 9 12AWG. Is my mixed gauge set safe? ...
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2answers
15k views

Can I use a gauge designed for measuring air pressure to measure water pressure?

Looking around at the local home improvement center for a water pressure gauge, and all they seem to have is a gauge with 3/4" FGHT (Female Garden Hose Thread). Of course I could get a bunch of ...
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1answer
293 views

What Wire Should be Used for a 40A 240V Circuit?

Given a 240V 40A circuit is there an official wire type that should be used? I assume there is a building code standard for this somewhere, but I don't really know where to look. I'd love if I could ...
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4answers
11k views

What gauge extension cord should I use for dehumidifier in basement?

I run a Frigidaire 50-pint dehumidifier in my basement, which I am currently emptying the bucket once/twice every day since the power outlet is far away from the drain hole in the basement, and the ...
3
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1answer
179 views

Have Shed/Man Cave & Need Unground Power Advice

I have a shed which is a little less than 100 feet from my home breaker box. I currently am poor-manning it running a 100 foot extension cord out there. I have already purchased a branch electrical ...
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2answers
1k views

Replacing pressure gauge on water holding tank

The water coming in from the well is supplied by thick rubber type pipe cut and angled with metal bands. There is no cut off valve to the water holding tank. I need to replace the pressure gauge (...
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2answers
180 views

Can an 8 gauge wire melt due to arcing on a 35 amp breaker

I recently was having some HVAC issues with a heat pump blower motor not running. Being comfortable using a multimeter, I opened up the panel to the furnace and was checking voltages on the capacitor ...
2
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3answers
4k views

Wire nut several wires together

I need a wire nut large enough so that I can bundle seven 14 gauge neutral wires together. I am trying to splice it so I can connect it to my new smart wifi leviton light switch. I don't know which ...
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1answer
1k views

Change my 220v 50 amp breaker to 70 amp on existing wiring to pool panel

Currently I have a 50 amp breaker (220v) running to my pool panel. My pool panel has two 110v outlets and a 20 amp (220v) to run my pool pump. I want to add an electric pool heater which will be a 40-...
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2answers
75 views

Main service panel wiring

I'm installing a new dedicated 20 amp circuit for an existing bathroom (new fixture). NEC recommends 12 AWG wiring. But ALL the wires (regardless of amperage) in the main service panel are a much ...
2
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1answer
110 views

Dedicated wiring to luminaire - what's the minimum gauge

I am wiring a luminaire fixture through a short dedicated 1/2" EMT conduit (a couple of feet). The maximum rating on the luminaire is 100W, although I expect to use much lower wattage. What is the ...
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1answer
88 views

What type and gauge of wire is this?

The wire in question is that top wire. The black one with the red stripe.
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0answers
68 views

What gauge wire is this, and how can I tell?

Can someone tell me how to determine the gauge of this wire (circled in red), or just what gauge it is?
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1answer
1k views

Could I use this Speaker Wire for my thermostat?

I had this wire left over and thought I might as well use it if I can. I think it will work but I just wanted to make sure! So can I use this speaker wire for the Rc and C terminals on my thermostat? ...
1
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1answer
220 views

Use of 8AWG Cu in 1"ID grey PVC buried for 120' on 50 amp circuit

A 50amp 240volt breaker in an outside panel that also feeds 200amps to the house goes to a sub-panel 120' of run away in a shed using 8-3 interior clad cable (Romex? NM? whatever the term) inside of 1"...
2
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1answer
720 views

Maximum breaker on NMD7 8/3 wire?

My mother in law recently replaced her 4 burner Frigidaire range and is often popping her breaker when she is cooking for a large party - ie 4 burners going and oven. I checked the specs for the ...
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1answer
363 views

Using a off-the-shelf pressure gauge to measure water pressure

I want to measure water pressure around my house, I can't find any pressure gauges made for that, so I will make do. I've found some that are for Acetylene in the right range, but they have "use no ...