Cabinet BE-70(  )  (Wire Chief's Testing)
Publisher: U.S. G.P.O.
Published: 1942
Language: eng
Table of contents: title: CABINET BE-70-( ); title: (WIRE CHIEF’S TESTING); title: Paragraph; title: Section I. General.; title: Use 1; title: II. Employment.; title: General 2; title: Installation 3; title: Test circuit transfer (IN OUT) key 4; title: Opening a line for test purposes 5; title: Method of operation 6; title: Talking on line under test 7; title: Ringing on line 8; title: Ballistic capacity tests 9; title: Test for open circuits when capacitors are in series with bells 10; title: Test for open circuits 11; title: Test for short circuits 12; title: Test for grounds 13; title: Test for crosses with lines carrying current 14; title: Test for crosses with lines not carrying current 15; title: Measuring test battery voltage 16; title: Checking condition of test battery 17; title: Resistance measurements 18; title: Useful information 19; title: III. Detailed functioning of parts.; title: Wiring diagram and schematic circuit 20; title: Functional diagrams 21; title: Measuring battery voltage 22; title: Talking toward switchboard, using test shoe 23; title: Talking out on line, using test shoe 24; title: Ringing bridged bells and grounded bells on ring side of line, using power ringer — 25; title: Section III. Detailed functioning of parts — Continued.; title: Ringing grounded bells on tip side of line, using hand generator 26; title: Continuity tests and voltmeter resistance measurements 27; title: Test for a ground on tip 28; title: Test for a cross with a line carrying current— 29; title: IV. Servicing and repair.; title: Maintenance 30; title: Packing for Army transportation 31; title: V. Replaceable parts.; title: List of replaceable parts 32; title: Addresses of manufacturers 33