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Are junction boxes usually wired in the first floor?
Junction boxes are usually laid out so that the circuit splices are located in the basement and in the attic. Attic junction boxes have to have a vertical clearance of three feet above it to make it legal.
Is there gold in old electrical junction boxes?
No. There is no gold in electrical junction boxes. If there was there would be many rich electricians.
Are junction boxes normally used in wiring first floor of a home?
Depending on the situation junction boxes can be used anywhere. Yes, it is normal.
How did we used to connect wires?
With Junction boxes.
Do you have to break the ground wire at a pull box and bond it to the box?
When you refer to a pull box you have to be talking about a conduit system. In a metallic system, no don't have to ground pull boxes. By the fact that it is a metallic system the conduit and associated boxes are already grounded by the connection to the distribution panel. In a PVC conduit system a ground wire has to be pulled so that the load device has a return ground wire to trip the breaker on a ground fault. Pull boxes in a PVC system don't have to be grounded just the last junction box at the load.
Is it ok to use plastic junction boxes in the attic Thanks?
Yes, Plastic junction boxes can be used in the attic of a home. They must be secured and have a cover on them. They must be accessable.
How do you size a junction box?
There is no minimum height for junction boxes per NEC. Any use of a junction box that would be subjected to harsh conditions because of its height would have to be rated for the condition. Personally, in outdoor areas, I like to keep boxes at least 18" above grade in areas that get snow.
In what situations does a junction box need to be weatherproof?
A junction box needs to be weatherproof if it is located outside. These junction boxes always need to be weatherproof since they are constantly exposed to rain and the elements.
What is common collector bipolar junction?
A circuit in which the input signal is applied to its base and the collector is earthed (grounded) is known as common collector configuration of BJT (BiPolar Junction Transistor)
Are junction boxes normally used in wiring the first floor of a house?
The area of a home has nothing to do with wear a junction box is placed. A junction box is placed wear a junction box is needed to split a circuit. any splice SHALL be in a junction box a junction box SHALL be accessable
What is the maximum cable length allowed between junction boxes and other access points?
100
What are the uses of junction box?
Used to connect wires together and cover them for safety. Junction boxes must never be installed anyplace they cannot be accessed at any time.
