21 NCAC 23 .0506. ELECTRICAL

(a)  This Rule applies to control wiring of thirty (30) volts or less, or where the installation, construction, maintenance or repair of devices is exempt from the requirement of licensure as an electrical contractor under G.S. 87-43.1 and 21 NCAC 18B .0805.

(b)  Underground electrical wiring used to connect an automatic controller to any electrical component of the irrigation system must be listed by Underwriters Laboratories as acceptable for burial underground.

(c)  Electrical wiring that connects any electrical components of an irrigation system must be sized according to the manufacturer's recommendation.

(d)  Electrical wire splices which are exposed to moisture must be waterproofed using a UL Listed device.

(e)  Underground electrical wiring that connects an automatic controller to any electrical component of the irrigation system must be buried with a minimum of twelve inches of backfill.

(f)  The wire connections on the two wire path of two wire control systems shall be made using devices rated for the higher voltage of the control system.

(g)  Multi-strand wire may be used if the material exposed is of rated minimum wire size of 18 AWG for underground application and if the splicing device used water proofs the outer most casing of the wire.

 

History Note:        Authority G.S. 89G-5;

Eff. July 1, 2011;

Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. September 22, 2014.