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Resistance measurements of the earth electrode subsystem to earth shall be accomplished every _________ months after the initial 12 month period by the facilities engineering activity.

Where copper-clad steel down conductors are used on structures not greater than 23m (75 feet) in height, the dc resistance of solid wires or stranded cables shall not be greater than _______ ohms per 305m (1000 feet).

Where copper-clad steel down conductors are used on structures greater than 23m (75 feet) in height, the dc resistance of solid wires or stranded cables shall not be greater than _______ ohms per 305m (1000 feet).

The size of wires in copper-clad stranded cable shall not be less than No. _______ AWG?

The conductivity of copper-clad conductors shall not be less than ______ percent of a solid copper conductor of equivalent cross-sectional area.

Down conductors bends shall be gradual and not have a radius less than _________ cm (________ inches).

The angle of any bend of down conductors shall not be less than _______ degrees.

Any metal object within ______ meters (_______ feet) of the lightning download shall be be bonded to the down conductor.

Where practicable, a separation of at least ____________ feet shall be maintained between open conductors of power and communications systems and lightning down conductors?

What shall be continuous and shall be bonded to an earth electrode subsystem or to a ground rod bonded this subsystem installed as near as practicable and within 1.8m (6feet) from the structure.

All bonds between elements of lightning protection subsystems shall be made by what 3 ways?

What shall not be used for bonding any conductor in the lightning protection subsystem?

An __________ __________ subsystem shall be provided for all supporting structures.

If a tower is adjacent to another structure such that the minimum distance between the tower and structure is ________ meters (_______feet) or less, one earth electrode subsystem encompassing both the tower and the other structure shall be provided.

For distances greater than 6 meters (20 feet) what shall be installed between the tower and the adjacent structure?

What shall be used by independent routes to bond the earth electrode subsystem of the tower to the earth electrode subsystem if buildings and structures that have signal, control, or power line interfaces with the tower and are separated less than 60m (200 feet)?

True or False; Each down conductor shall be continuous and shall be bonded to earth electrode subsystem for the tower?
True False

For metal towers, where the structural elements are not used as a down conductors, the down conductors shall be bonded to the tower legs at the what?

Down conductors connecting cables to the earth electrode subsystem shall be protected against what type of damage?

Connecting cables passing through foundations or footings shall be installed in what type of conduit?

All waveguides to the antennas shall be grounded at _________ points?

All waveguide to the antennas shall grounded where?

Metallic supporting structures for waveguides shall be electrically continuous and shall be connected to the exterior earth electrode subsystem at the ________ and _________ support columns as a minimum.

Waveguides shall be grounded with solid copper strap or copper wire at least equal to No. _______ AWG.

The size of wires in the solid copper strap or wire shall be not be less than No. ______ AWG.

True or False; Waveguides shall be grounded with a braid or finer-stranded wire than No. 14 AWG shall not be used.
True False

All bends of ground conductors shall have a radius of ________ cm (____ inches) or greater and the angle of any bend shall not be less than ________ degrees.

Waveguides shall be properly bonded to the waveguide entry panel and the panel shall be connected by the most direct route to the earth electrode subsystem using a what?

All exterior hand rails, ladders, stairways, antenna pedestals, and antenna elements operating at ground potential shall be bonded to the lightning protection subsystem with a No. _________ AWG copper wire or larger.

Higher frequency networks may require a __________________ plane?

A ___________ frequency network will be installed at facilitates employing equipment’s from dc to 30 KHz, and in some cases to 300 KHz.

To minimize the voltage differential between points in the higher frequency signal reference network, the dc resistance between 2 points within the chassis or equipment cabinet serving as a reference for higher frequency signals shall be less than _________ milliohm?

Each individual unit or piece of equipment shall either be bonded to its rack or cabinet shall have its case or chassis bonded to the nearest point of the equipotential plane. Racks and cabinets shall be grounded to the equipotential plane with what kind of strap?

Bonding straps with a lower width-to-length approximately _________________ and thickness of approximately ____________ mm are better than wires, due to lower inductance per unit length.

All bonds for ground conductors whose primary function is to provide a path for power, control or signal currents, and lightning protection shall have a maximum dc resistance of _____________ milliohm

What is the shipboard bonding and grounding manual?

How many bond classes are there?

What is Class A bond?

What type of bond is metallic surfaces (bright metal bonded by bolting or clamping?

What is Class C bond?

How many types of bond straps are there?

What is a Type I bond strap?

What is a Type II bond strap?

What is Type III bond strap?

What is a Type IV bond strap?

What is the minimum width of Type IV flat copper braid?

Bonding of electrical and electronic equipment cabinets, cases, housings and exposed metal (conductive) components to ground potential by any class bond or by the installation of a ground wire to establish a contact resistance of _________ ohm or less.

Clean the contact surface (s) on the mounting area (ground plane) approximately __________ inch larger than the mounting foot such that complete bright-metal contact is achieved when they are mated.

Bolt strap in place and torque to ___________ foot-pounds.

What type of bond straps shall be used for topside?

What type of bonds straps shall be used below decks?

Shielded cables shall be fabricated using the appropriate coaxial connector(s) or connector EMI back shells to bond the cable/coax outer braid/shield, or cable conduit braid/shield __________ degrees at each end.

Shielded cables shall be _____________-degree bonded at the point of entry into the hull, superstructure, deck, bulkhead, shielded compartment, or wire way trunk.

Unshielded cables that exceed ___________ feet of exposed length in topside area shall be EM shielded or filtered as required to prevent cable penetration EMI.

For EMI control, what should the electrical bond resistance be at hull penetrations to ground?

The outer perimeter of all cables of all cable shields and metallic conduit, waveguide and pipes penetrating the hull (or shielded compartments shall be bonded to hull ground and provide a _____________-degree peripheral bond at the penetration point.

Unshielded cables routed internal to the ship shall not be routed within ___________ inches of weather doorways, hatchways, and windows unless the cables are routed within shielding conduit or wire way trunks.

Cables shall not be routed within _____________ feet of helicopter or aircraft hangar bay doors or well deck access doors unless they are shielded or routed in conduit or wire way trunk?

Single shielded cables routed less than ________ inches in topside areas do not require additional shielding.

Double shielded cables routed less than ________ feet in topside areas do not require additional shielding.

True or False; Portable or mobile-transportable electrical equipment with a conductive case or exposed conductive elements shall require a 3-conductor power cable and 3-pronged plug.
True False

What is the minimum resistance between the conductive case and each active power conductor prong?

What is the maximum resistance between the conductive case and power cord ground prong?

Which type of bond strap will provide less than 25 ohms impedance at 30 MHz?

Does double insulated portable equipment require grounding?

Number _____________ AWG cables shall be used as main ground cables for grounding all electrical and electronic equipment and metallic items?

Branch ground cables shall be number ___________ AWG and shall be used to connect equipment requiring grounding to main ground cables?

What materials can a kick pipe be made of?

All surface ship stuffing tubes installed shall show a minimum of _________ threads and a maximum of ___________ threads on the gland nut after it is tightened?

What material shall Multiple Cable Transits (MCT’s) be constructed of?

What does each value mean on the following MCT ID: “RGS-2-3-3/8”?

When are cable pulled through a new multiple cable penetrator (MCT)?

What is the maximum distance the nearest cable hanger can be to a MCT?

What does the 22 mean?

What term is defined when a cable is secured to the underside of a cableway tier?

What term is defined when there is one row installed in a cableway?

What term is defined when there is 2 rows of cable installed in a single tier of a cableway?

What term is defined when there is 3 or more rows of control and/or instrumentation cables on a single tier or in a cable tray?

Where should cable be stored?

Capital letters shall be used on cable tags; height of all letters and numbers shall be not less than _____________ inch, and letters and numbers shall be embossed to at least _____________ inch above the surface?

What is the minimum overhead height for cables?

A lightning flash is characterized by one or more strokes with typical peak current amplitudes of ___________ kA or higher?

The ability of tall structures or objects to attract lightning to themselves serve to protect shorter objects and structures. In effect, a taller object establishes what around the shorter objects?

As the heights of these shorter objects increase, the degree of protection _____________.

As the separation between tall and short structures increases, the protection afforded by tall structure __________.

The protected space surrounding a lightning conductor is called ____________ of protection.

The NFPA Lightning Protection Code recommends that a ______:_____ zone of protection be provided in important areas while a ______:_______ is acceptable for less important areas.

To effectively protect a structure such as a building, mast, tower, or similar self-supporting object from lightning damage an _______ _________ of adequate height, mechanical strength and electrical conductivity to withstand the stroke impingement must be provided to intercept the discharge to keep it from penetrating any nonconductive outer coverings of the structure or to prevent it from terminating antennas, lighting fixztures, transformers, or other devices likely to be damaged or destroyed?

To effectively protect a structure such as a building, mast, tower, or similar self-supporting object from lightning damage a low impedance path from air terminal to _______ must be provided.

To effectively protect a structure such as a building, mast, tower, or similar self-supporting object from lightning damage the resistance of the connection between the discharge path and the earth must be ______.

The American National Standards Institute limits the maximum allowable leakage current to _________ milliamps for portable two-wire devices in order to prevent involuntary shock reactions.

The American National Standards Institute limits the maximum allowable leakage current to _________ milliamps for heavy movable cord-connected equipment in order to prevent involuntary shock reactions.

For even the smallest facility, what is the effective facility area for Earth electrode subsystem?

For large facilities, the facility area is assumed to be what in regards to the earth electrode subsystem?

What are the 4 ways to alter configurations for nonideal sites (Rocks, Deep water level, high soil resistivity)?

The nominal spacing between rods should be between one and two times the length of the rod; however, it is necessary for a ground rod to be placed near each lightning down conductor, so spacing should be limited to not more than _________ feet in order to conform to lighting protection requirements?

A structure, for lightning purposes, is defined as what?

To provide minimum protection for structures against direct lightning strikes how many requirements must be fulfilled?

To provide minimum protection for structures against direct lightning strikes what 4 requirements must fulfilled?

Erect ________ _________ on the points of highest elevation and on other exposed areas to intercept the stroke of lightning before it has an opportunity to damage the structure or equipment’s or components mounted thereon.