Minimum degree of IP code protection to be afforded by....

[gman67]

A. Front surface of distribution board

B. Horizontal top surface of motor starter which is accessible

C. Front surface of a conduit box containing live terminals


I have had this question in one of my mock exams yesterday in my 2391 inspection and testing courses and I am not sure for the A and B answers:

My trainer says that it's A. IP4X, B. IP4X, C. IP4X

And I think it's: A. IP2X, B. IP4X, C. IP2X

Please help, I need someone to shed some light here! So confused

Thanks

 

[IQ Electrical]

Sack your trainer and try his seat out for size, you're bang on.

 

[MarkieSparkie]

Seconded, you are correct and trainer is wrong.

 

[malcolmsanford]

Point your instructor to reg section 416.2 for barriers and enclosures.

 

[mattmoo1974]

Do his knuckles drag along the floor?

 

[Richard Burns]

Yes you are right: horizontal accessible IP4X, vertical IP2X

 

[gman67]

Thanks guys, it's all clear in my head now. The trainer has actually admitted he was wrong today!