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" No. 51.) a. Must be placed on all service wires, either overhead or underground in a readily accessible place, as near as possible to the point where the wires enter the building, and arranged to cut off the entire current. "
Science and Industry - Էջ 258
1902
Ամբողջությամբ դիտվող - Այս գրքի մասին

Transactions of the American Institute of Electrical Engineers

American Institute of Electrical Engineers - 1897 - 710 էջ
...placed on all service wires, either overhead or underground, in a readily accessible place, as near as possible to the point where the wires enter the...building, and arranged to cut off the entire current. 6. Must always be placed in dry. accessible places, and be grouped as far as possible. K.nife switches...
Ամբողջությամբ դիտվող - Այս գրքի մասին

Transactions of the American Society of Mechanical Engineers, Հատոր 19

American Society of Mechanical Engineers - 1898 - 1122 էջ
...placed on all service wires, either overhead or underground, in a readily accessible place, as near as possible to the point where the wires enter the...building and arranged to cut off the entire current. I. Must always be placed in dry, accessible places, and be grouped as far as possible. Knife switches...
Ամբողջությամբ դիտվող - Այս գրքի մասին

Distributing system and lamps

Francis Bacon Crocker - 1901 - 528 էջ
...placed on all service wires, either overhead or underground in a readily accessible place, as near as possible to the point where the wires enter the...building, and arranged to cut off the entire current. b. Must always be placed in dry, accessible places, and be grouped as far as possible. Knife switches...
Ամբողջությամբ դիտվող - Այս գրքի մասին

Electrical Engineer's Pocket-book: A Hand-book of Useful Data for ...

Horatio Alvah Foster - 1901 - 1018 էջ
...placed on all service wires, either overhead or underground, in a readily accessible place, as near as possible to the point where the wires enter the...building, and arranged to cut off the entire current. 6. Must always be placed in dry, accessible places, and be grouped as far as possible. Knife switches...
Ամբողջությամբ դիտվող - Այս գրքի մասին

Standard Wiring for Electric Light and Power: As Adopted by the Fire ...

Harry Cooke Cushing - 1902 - 204 էջ
...placed on all service wires, either overhead or underground, in a readily accessible. place, as near as possible to the point where the wires enter the...arranged to cut off the entire current. Knife switches should always be installed so that the handle will be up when the circuit is closed, so An Approved...
Ամբողջությամբ դիտվող - Այս գրքի մասին

International Library of Technology: A Series of Textbooks for ..., Հատոր 13

1902 - 738 էջ
...placed on all service wires, either overhead or underground, in a readily accessible place, as near as possible to the point where the wires enter the...building, and arranged to cut off the entire current. b. Must always be placed in dry, accessible places and be grouped as far as possible. Knife switches...
Ամբողջությամբ դիտվող - Այս գրքի մասին

Agents' and Inspectators Pocket-book of Fire Protection

George Velten Steeb - 1902 - 230 էջ
...placed on all service wires, either overhead or under ground, in a readily accessible place, as near as possible to the point where the wires enter the...building, and arranged to cut off the entire current, and must always be placed in dry, accessible places, and be grouped as far as possible. Knife switches...
Ամբողջությամբ դիտվող - Այս գրքի մասին

International Library of Technology: A Series of Textbooks for Persons ...

1902 - 742 էջ
...entire current. b. Must always be placed in dry, accessible places and be grouped as far as possible. Knife switches must be so placed that gravity will tend to open rather than close the switch. c. Must not be single-pole when the circuits that they control supply devices that require over 660...
Ամբողջությամբ դիտվող - Այս գրքի մասին

Les recueils de jurisprudence du Québec, publiés par le Barreau de ..., Հատոր 1

Québec (Province). Superior Court - 1902 - 642 էջ
...placed on all service wires, cither " overhead or underground, in a readily accessible place, as " near as possible to the point where the wires enter the " building, and arranged to cut off the'entire current." Rule 21, as to "automatic cut-outs," is to the like effect. To reach the switches...
Ամբողջությամբ դիտվող - Այս գրքի մասին

Practical Lessons in Electricity. Elements of Electricity. The Electric Current

American School (Lansing, Ill.) - 1903 - 320 էջ
...placed on all service wires, either overhead or underground, in a readily accessible place, as near as possible to the point where the wires enter the...arranged to cut off the entire current. Knife switches should always be installed so that the handle will be up when the circuit is closed, so that gravity...
Ամբողջությամբ դիտվող - Այս գրքի մասին




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