Can Two Separate Circuits Be In The Same Junction Box

2 electrician told me i can run 123 for dishwasher and food disposer and have one receptacle under the sink with upper and bottom connected on different dedicated circuits but from one 123 cable. The only concern would be the total box fill.

Wiring A Breaker Box Breaker Boxes 101 Bob Vila

Wiring A Breaker Box Breaker Boxes 101 Bob Vila

Can two separate circuits be in the same junction box. I know nec puts significant restrictions on having different circuits suppling outlets in same box but i havent found any mention of doing this with switch boxes. Just seems strange to have two separate breakered circuits in the same wall junction box. The box is plastic and contains a lighting circuit and a small appliance branch circuit. Can more than one circuit be run through a single junction box. As the title states. Jdevlin 178061 052208 0151 pm.

I have a ceiling fan all wired correctly. If the box has clamps they are counted as. He is saying the associated with those circuit conductors only refers to each individual circuit not all the separate circuits in the same box. Based on the nec the wire fill would be calculated at 20 for each conductor for 14 gauge wire and 225 for 12 gauge wire. Both circuits are properly grounded at the sub panel. The device or switch counts as 2x for the largest wire connected to it or each in the box.

Can you have two separate circuits in one box junction box. They have two separate breakers and use 14 2 wire to the current double gang box. I will have a four gang box near door room light light outside door and two separate covered porch circuits. The porch circuits are already present but i dont think these would pass current code. Only exception is isolated grounds live awesome kevin carosa re. Can two different circuits go through the same junction box.

I had to go back to the breaker box to find the breaker for the second circuit and shut that one off as well. Ground wires from different circuits in same box re. In this instance i kept the equipment grounds from the 2 circuits separate. Junction box wiring electrical question. This can cause fire shock and. That is two cables enter from different breakers and they tie to cables exiting but the two circuits arent connected except for the grounds if that is required.

All the ground wires count as 1x of the largest ground in the box. He could not give me the code. Not the breaker box but rather the junction box seems dangerous. Ground wires from different circuits in same box re. I think there is just 14 3 leaving the box to. Assuming the junction box has the proper capacity i want to run a separate circuit through that box so as to split off a circuit which will then go two different ways to power up an outlet on one wall and two other outlets on a different wall.

Well lets put it this way how would you extend the circuits to a distribution board if it needed to be moved 2 ft away from its current position and none of the existing cabling would reach. The inspector said that for the past 30 years the code has required that all equipment grounds be tied together regardless of what circuit they originate from. When neutral wires of two or more separate circuits are connected at other than the main panel the electicity has multiple return paths resulting in net currents. Sparkyinak 178075 052208 0806 pm. The answer is yes you can have 2 separate circuits in the same box they can have a splice also but not needed in your case. If 2 of the circuits are on a mwbc 143 cable then you would just need to keep the 2 neutrals separate.

I usually tie them together but this time i thought it was cleaner to separate them.

Gallery of Can Two Separate Circuits Be In The Same Junction Box

Here S How You Can Use A Double Pole Switch As A Single Pole
Download Now
Here S How You Can Use A Double Pole Switch As A Single Pole
How To Install A Subpanel How To Install Main Lug
Download Now
How To Install A Subpanel How To Install Main Lug
Residential Wiring Best Practices Rewiring Options And Benefits
Download Now
Residential Wiring Best Practices Rewiring Options And Benefits
Smart Light Switch Wiring Diagrams Mr Electrician
Download Now
Smart Light Switch Wiring Diagrams Mr Electrician
How To Install A Circuit Breaker The Home Depot
Download Now
How To Install A Circuit Breaker The Home Depot
Electrical Box Types Amp Sizes For Receptacles When Wiring
Download Now
Electrical Box Types Amp Sizes For Receptacles When Wiring
Multiple Light Switch Wiring Electrical 101
Download Now
Multiple Light Switch Wiring Electrical 101
How To Install A Subpanel How To Install Main Lug
Download Now
How To Install A Subpanel How To Install Main Lug
Box Fill Calculations Iaei Magazine
Download Now
Box Fill Calculations Iaei Magazine
How To Install A 220 Volt Outlet Askmediy
Download Now
How To Install A 220 Volt Outlet Askmediy
What Do Electrical Wire Color Codes Mean Angie S List
Download Now
What Do Electrical Wire Color Codes Mean Angie S List
Wiring 20 Amp Double Receptacle Circuit Breaker 120 Volt
Download Now
Wiring 20 Amp Double Receptacle Circuit Breaker 120 Volt
Two Way Light Switch Method 1
Download Now
Two Way Light Switch Method 1
Wiring A Switch And Outlet The Safe And Easy Way Family
Download Now
Wiring A Switch And Outlet The Safe And Easy Way Family
Staircase Wiring Circuit Diagram How To Control A Lamp From
Download Now
Staircase Wiring Circuit Diagram How To Control A Lamp From
How To Fix Double Tapped Circuit Breakers
Download Now
How To Fix Double Tapped Circuit Breakers
Landscape Lighting Voltage Drop And Wiring Methods
Download Now
Landscape Lighting Voltage Drop And Wiring Methods
National Electrical Code Multiwire Branch Circuit
Download Now
National Electrical Code Multiwire Branch Circuit
Electrical Installations Pull Box Sizing
Download Now
Electrical Installations Pull Box Sizing