английский => русский Техника Электроника / Электротехника Temporary Electricity on site

Instructions for temporary electricity on construction site:

• Where bayonet type light bulbs are used as ***stringers*** for illuminating passageways and stairways, they shall be protected by cages. Lights provided for this purpose shall be sited to avoid glare and spaced to provide adequate light for the areas covered,

• The illumination shall be measured prior to the work being carried out by a light meter, calibrated in Lux,

• Tower lighting shall be sited in a manner that illuminates all parts of the area where the work is taking place,

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is it some sort of garland? a string (wire) with multiple bulbs protected by cages?