Student_UL
New member
- Location
- europe
Hello all,
I am student and I designing a machine for Class I Division 1 location and have some question regarding the installation and the typical start up procedure of the machine.
Between the motor and the control panel the connections are performed by a RMC with sealing.
After installation the conduit system, it will be checked by a worker in the factory.
The motor should be controllable by a pendant control which have to be flexible.
Therefore I have to use a flexible cord. The circuit is performed in intrinsically safety technology.
I have read the complete NFPA 70, but I am uncertain in this topic and how I have to perform.
Also I have no practical experience.
Could you please help me in this matter?
Thank you very much!
Student_UL
I am student and I designing a machine for Class I Division 1 location and have some question regarding the installation and the typical start up procedure of the machine.
Between the motor and the control panel the connections are performed by a RMC with sealing.
After installation the conduit system, it will be checked by a worker in the factory.
- Does this worker need a special authorization or training?
- Are functional tests after sealing necessary?
- Is there a requirement that any inspector of an authority have to inspect the conduit system before start up of a machine?
The motor should be controllable by a pendant control which have to be flexible.
Therefore I have to use a flexible cord. The circuit is performed in intrinsically safety technology.
I have read the complete NFPA 70, but I am uncertain in this topic and how I have to perform.
Also I have no practical experience.
- Which type of cord is allowed to use therefore and which components are necessary for connecting this cord (more than 10 conductors) with the control panel?
- Nearly the same problem I have with a temperature sensor. The sensor is permanent connected with the cable. What I do have to consider for connecting this sensor with the control panel?
Could you please help me in this matter?
Thank you very much!
Student_UL