(N)Disconnect Switch
Furnish a double pole, single throw snap switch in a weatherproof outlet box with cover, suitable for use in wet locations. Ensure outlet box and cover supports a lockout tag device. Ensure outlet box includes one 1/2 inch diameter hole in back of box. Furnish mounting hardware, sealing gaskets and lockout tag.
(O)Warning Signs and Decal
Furnish “RF Warning Sign” and “Decal” at locations called for in the plans. Furnish mounting hardware to secure the sign to either metal or wood poles. "
Source: North Carolina Standard Specifications for Roads and Structures, 2024 Edition. Pages 657–658 of 857.