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F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V25/00—Safety devices structurally associated with lighting devices
F21V25/12—Flameproof or explosion-proof arrangements
Dispositif d'isolation et d'emboitage des appareillages de connexion electrique d'un recepteur supporte par un poteau creux tel un candelabre, a un reseau d'approvisionnement en energie, notamment un reseau d'eclairage public