Electrical Wire Heating Duct

We fish romex type nm nonmetallic cable through hvac duct chases all the time without any objections from our electrical inspector as long as there are no sharp edges in the chase that might physically damage.

Electrical wire heating duct.

Air handling systems have the potential to convey smoke hot gases and flames from one area of a building into another as well as providing air supply for a potential fire. Most systems use a 14 awg 4 conductor stranded cable also written as. Typically connecting cable is run through conduit in accordance to local codes. I have metal supply and return hvac ducts in the ceiling and i know i m going to have to get across them occasionally.

No hits are allowed with any hvac device. Electrical wiring methods used in these areas should neither add to the fuel load of a. As mentioned in this question the new electrical wiring cannot penetrate the hvac duct. Harlan madsen an electrical contractor in bloomington minn responds.

Is it ok for plain romex wiring to come in contact with these ducts or even lay on top of them. Electrical wire should be kept at least 1 away from radiator piping and heating ducts. Also known as 4 conductor cable connecting cable is electrical wire that supplies power and carries control information between the indoor unit s and the outdoor unit. No utility can run through an hvac duct.

Electrical wire must be kept at least 6 away from a single wall exhaust flue of gas fired heating appliances. It is best to plan the path that will be used for installing the electrical wiring to avoid potential obstacles and prevent running out of wire. Hi i ve got a fully finished basement and am thinking about putting canned lighting throughout. Hvac has priority over all trades in referance to location.

Navigating the requirements in the national electrical code nec for ducts plenums and other air handling spaces can be difficult. Unless your area works under a strange mechanical code that is simply not true. Many times i install wiring in and on ducts that has to be there motirized dampers duct smoke detectors booster fans. This is going to require running some new electrical cabling.