Electrical Engineering Regulations: Subchapter J. (Title 46, C.F.R., Parts 110 to 113, Inclusive).U.S. Government Printing Office, 1967 - 140 páginas |
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alarm system alternating current alternating-current ambient ammeter amperes apparatus applicable approved armored arranged automatic boxes branch circuit bulkhead cable cargo pumprooms circuit breaker Coast Guard conductors connected construction contracted for prior cord cuit deck direct-current disconnecting means ductors electrical installation emergency lighting emergency loads emergency source enclosed enclosure engine order telegraph engineroom equipment feeder firescreen door fixture wire fuses ground grounded conductor horsepower inches indicator insulation interlock Knife switches lamps less lifeboat lighting and power located loudspeaker manual Marine Inspection ments motor controllers November 19 Officer in Charge operation overcurrent device overcurrent protection panel panelboard paragraph passenger vessels percent portable Portable cords power system prior to November propulsion rating or setting Receptacle outlets relay resistors sheathed ship's service source of emergency spaces Standard steering gear storage battery Subchapter subparagraph Subpart supply switchboard tank vessels temperature tion ventilation vessels contracted vided voltage voltmeter volts wheelhouse
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Página 41 - Synchronous motors of the low-torque low-speed type (usually 450 RPM or lower) such as are used to drive reciprocating compressors, pumps, etc., which start up unloaded, do not require a fuse rating or circuit-breaker setting in excess of 200 per cent of full-load current.
Página 83 - To Be Indicating. The disconnecting means shall plainly indicate whether it is in the open or closed position.
Página 10 - motor boat," where used in this Act, shall include every vessel propelled by machinery and not more than sixty-five feet in length, except tugboats and towboats propelled by steam. The length shall be measured from end to end over the deck, excluding sheer: Provided, That the engine, boiler or other operating machinery shall be subject to inspection by the...
Página 7 - Apparatus enclosed in a case that is capable of withstanding an explosion of a specified gas or vapor which may occur within it and of preventing the ignition of a specified gas or vapor surrounding the enclosure by sparks, flashes, or explosion of the gas or vapor within, and which operates at such an external temperature that a surrounding flammable atmosphere will not be ignited thereby.
Página 16 - In order to have, wherever possible in this part, the identical wording contained in section 35 of the American Bureau of Shipping Rules for the Classification and Construction of Steel Vessels, the word "should" has been used instead of "shall.
Página 49 - All quarters shall be adequately lighted. The minimum standard for natural lighting is that it will be possible on a clear day to read print such as that of an ordinary newspaper in any part of the clear working space. When it is not possible to provide adequate natural lighting, artificial lighting may be accepted on the same basis.
Página 55 - Overcurrent devices shall be enclosed in metal boxes or cabinets, unless a part of a specially approved assembly which affords equivalent protection, or unless mounted on switchboards, panelboards, or controllers located in compartments or enclosures free from easily ignitible material and accessible only to qualified persons. The operating handle of a circuit breaker may be accessible without opening a door or cover. (b) Exposed to weather.
Página 14 - Boilers, pressure vessels, machinery, piping, electrical and other installations, including lifesaving, firefighting and other safety equipment, installed on vessels during the Unlimited National Emergency declared by the President on May 27, 1941, and prior to the termination of title V of the Second War Powers Act, as extended (sec. 501, 56 Stat. 180, 50...
Página 47 - ... conductor so identified shall not be used as an ungrounded conductor of a circuit unless the conductor is rendered permanently unidentified by painting or other effective means at each outlet. On ungrounded systems, it is recommended that conductor identification be consistent throughout the vessel. (2) An insulated conductor of a portable cable intended to be used as a grounding conductor shall have a continuous identifying marker readily distinguishing it from the other conductors. The identifying...
Página 7 - Totally enclosed machine. A totally enclosed machine is one so enclosed as to prevent exchange of air between the inside and the outside of the case, but not sufficiently enclosed to be called airtight.