A cable deck ralina is a tvpe of auardrail commonly used on outdoor decks and balconies, characterized by the use of stainless steel cables inplace of traditional balusters or spindles found in wooden or metal railings.
With a sim profle, the cables offer a clean modern aestheic and are often paired with ralling posts made of stainless steel, aluminum, wood orcomposite.
The key components of a cable deck raling system include posts (usualy made of wood, metal, or stainless steel, op and botom rals (which givestructural support for the cables), cable infill(the cables themselves, typically made of stainless steel, the fitings and hardware (includeturnbuckles, tensioners, end fittings that used to attach and tension the cables).

In terms of safety, while cable railings provide a secure barrier, there are code requirements that they must meet to ensure they are safe and effective on deck. 

For instance, the cables must be spaced correctly (usually no more than 4″ apart, or even closer at 3″ in some states) to prevent small children or pets from slipping through. 

Moreover, the cable railing system must be built to specific heights, and the cables must be adequately tensioned. This prevents them from becoming climbable, which can be particularly dangerous for children.