Article 426: Fixed Outdoor Electric Deicing and Snow-Melting Equipment

Article 426: Fixed Outdoor Electric Deicing and Snow-Melting Equipment

How to install electrical equipment so it melts ice and snow safely

Embedding electric heating elements in walkways, steps, and similar places can make these surfaces safer for winter pedestrians — but not if the installation exposes people to a shock hazard. Thus, Art. 426 provides installation requirements for fixed electrical systems that melt ice and snow from these surfaces [426.1(A)]. Article 426 also provides requirements for exposed electric melting systems on structures such as bridges, roofs, and drainage systems [426.1(B)].

The inst

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