STUFFING ARRANGEMENT FOR ELECTRIC SERVICE LINES Russian patent published in 2002 - IPC

FIELD: passing conductors through walls and ceilings or floors of pressurized areas in nuclear power stations, test facilities, and the like. SUBSTANCE: stuffing arrangement has cylindrical housing accommodating current conductors tightly embedded in its ends by means of ceramic insulators and used for connecting external circuit conductors; housing is placed in embedding channel to form enclosure area and also has casings with lids set on sealing gaskets, fastening and sealing devices for shielding external circuit conductors at their entry to inner space of casings; adapters are fitted between rings of sealing insulators and conductors and welded to rings and conductors. One casing is built integral with housing and other is joined to the latter through sealing gland which is packed in clearance between casing and housing by means of ring coaxially locked in position relative to housing and joined to casing by means of threaded fastenings; casings accommodate terminal blocks. Each terminal has two jacks disposed on one side and used to connect respective leads of stuffing-arrangement and external conductors with aid of separate screws. Fastening and sealing devices are made in the form of sleeves joined with casing walls by means of hold- down flanges through sealing gasket. EFFECT: enhanced reliability, facilitated manufacture, maintenance, and in-situ installation and wiring. 3 cl, 1 dwg