Quick Answer: What Gauge Wire Do I Need For A 20 Amp Breaker?

How many outlets can you put on a 14 2 wire?

12 outletseach outlet( receptacle, light) is roughly one amp so you can use 14-2 wire to 12 outlets protected by a 15 amp breaker..

How far can you run 12 gauge wire on a 20 amp circuit?

For a 20 amp, you _must_ use 12 gauge to start with, 14 gauge doesn’t handle a 20 amp fuse at all. A 12 gauge wire is typically good for 15 amp at 100 feet.

Can 12 gauge wire handle 30 amps?

No. 12 gauge wire is rated for a maximum of 20 amps. You need a minimum of 10AWG wire for 30 amps.

Is it OK to use 12 gauge wire on a 15 amp circuit?

Because it’s thinner and lighter, 14-gauge wire is easier to run than 12-gauge wire. However, 12-gauge wire is acceptable on both 15- and 20-amp circuits, so some electricians use it exclusively when wiring a house.

Will 12 gauge wire carry 20 amps?

12-gauge wire is the next size larger and is allowed to carry up to 20 amps. As a result, the amp rating of a circuit breaker has the following relation to the wire size that has been chosen. A 20-amp breaker is never* allowed to run any circuit whose wires (anywhere on the circuit) are 14-gauge.

How many outlets can I put on a 20 amp breaker?

10 receptaclesOne rule of thumb is to assign a maximum draw of 1.5 amps to each receptacle, which allows for 10 receptacles on a 20-amp circuit.

What is 14 gauge wire used for?

General Purpose Cords14 – Wire12 – Wire10 – WireRecommended ForRecommended ForRecommended ForCommon residential wiring: Light fixtures, household receptacles.Common residential wiring: Light fixtures, household receptacles, small appliances.Large household appliances: Window air conditioner units, clothes dryers.4 more rows

Can you use 10 2 wire outlet?

10/2 with ground I presume? Safety wise, it is fine to use a larger than required wire. … Wire Size for 240-Volt Outlets The minimum wire size for a 30-amp, 240-volt circuit is 10-gauge, but to prevent poor performance because of voltage drop, you should consider upgrading to 8-gauge if the outlet is far from the panel.

Can a 20 amp breaker handle 240 volts?

240 Volt heating circuits are more common because it reduces the Amp draw on your breaker/fuse panel, as the chart shows, you can place more heaters on a 20 Amp 240 Volt circuit (maximum of 3840 Watts) versus a 120 Volt circuit (maximum of 1920 Watts). 120 and 240 Volt heaters are not interchangeable.

How many amps can 12 AWG handle?

20 AMPSSize & AMP RatingsNM, TW, & UF WIRE (Copper Conductor)SE CABLE (Copper Conductor)12 AWG – 20 AMPS6 AWG – 65 AMPS10 AWG – 30 AMPS4 AWG – 85 AMPS8 AWG – 40 AMPS2 AWG – 115 AMPS6 AWG – 55 AMPS1 AWG – 130 AMPS1 more row

Is it OK to mix 12 and 14 gauge wire?

The amp capacity for 12-gauge wires is 20 amps, and while you can technically use 14-gauge wires on 20-amp circuits, it is not recommended.

Can you put 2 GFCI outlets on the same circuit?

When you need to wire multiple GFCI outlets such as in a kitchen or bathroom you have a couple of options. To save money, you can put in a single GFCI and then wire additional standard outlets to the “LOAD” output from the single GFCI. This provides the same protection as having a GFCI at each location.

How far can you run a 12 gauge electrical wire?

As an example, for a 120-volt circuit, you can run up to 50 feet of 14 AWG cable without exceeding 3 percent voltage drop….For 240-volt circuits:14 AWG100 feet12 AWG120 feet10 AWG128 feet8 AWG152 feet6 AWG188 feet

What appliances need a dedicated circuit?

Appliances that need a dedicated circuit include:Electric ranges.Wall ovens.Refrigerators.Large Microwaves.Freezers.Dishwashers.Garbage disposals.Toaster ovens.More items…

Is a bigger gauge wire better?

The larger diameter of the bigger wire offers more area for electrons to move through the circuit. For this reason, smaller gauge wire is rated for lower amperage (electric current) limits than larger gauge wire. The smallest size of common household wire can carry 15 amps of current.

Can you use 14 gauge wire with a 20 amp breaker?

You can not use 14 AWG anywhere on a circuit that has a 20A breaker. If you are putting 15 amp receptacles on a 20 amp circuit with 12 gauge wire, then you MUST use the screw terminals, not the back stab terminals. … Just use the side terminals.

Can I use a 20 amp breaker with 10 gauge wire?

Yes, you can use 10 AWG copper conductors with a 20 ampere breaker. … There’s no problem using larger conductors, other than cost to you, and difficulties associated with working with thicker conductors.

Should I use 12 or 14 gauge wire?

It’s OK to wire a 15-amp light circuit with a 14-gauge wire to save a bit of money and make the wiring job a bit easier. … You must also use a 12-gauge wire when connecting an outlet rated for 20 amps, as many GFCI outlets are, even if the appliances you plug in are rated for only 15 amps.