Electrical Components


Electrical Wire Slides Many Mast Sections feature internal electrical wire slide tracks to secure wires and prevent them from slapping, and from fouling internal halyards. The most common ones are listed here, they are also are listed under the specific Mast Section they are used with, See Spars.
Electrical Wire Slide - Small: K-10908: Electrical Wire Slides - Small - 10 Pack: K-10908P: Nylon slides fits all Kenyon, Rig-Rite, and Schaefer (and many MetalMast) mast sections with internal electrical wire slide tracks. Slides are attached to wiring harness at 2-3 foot intervals with tie wraps. Prevents wires from slapping, and from fouling internal halyards. Molded Nylon slide is 3/4" long x 1/2" high x (maximum) 1/4" wide. SP-E126
Electrical Wire Slide - 3/8": SP-E127: Electrical Wire Slides - 3/8" - 10 Pack: SP-E127P: Nylon slides fit internal electrical wire slide tracks in Spartan Spars CD-3.5, 4.5, CD-5 and other Mast Sections with a 3/8" bolt rope-type groove. Slides are attached to wiring harness at 2-3 foot intervals with tie wraps. Prevents wires from slapping, and from fouling internal halyards. Molded Nylon slide is 1 1/8" long x 1" high x (maximum) 5/16" wide.
Electrical Wire Slide - 1/2": MM E-128: Electrical Wire Slides - 1/2" - 10 Pack: MM E-128P: Nylon slides fit internal electrical wire slide tracks in MetalMast and other Mast Sections with a 1/2" bolt rope-type groove. Slides are attached to wiring harness at 2-3 foot intervals with tie wraps. Prevents wires from slapping, and from fouling internal halyards. Molded Nylon slide is 1 1/8" long x 1" high x (maximum) 7/16" wide.

Electrical Conduit Many Masts have an internal plastic Conduit for electrical wires. Older (and smaller) Masts use a standard PVC pipe (when necessary), riveted from the outside, to secure wires and prevent them from slapping, and from fouling internal halyards. More modern Sections have an internal groove, to accept slides (or special conduit), or an extruded "T" for 'slit' Conduit. Slides, above, are also are listed under the specific Mast Section they are used with, See Spars.
PVC Pipe Conduit 1" (25mm) ID: K-73501: PVC Pipe Conduit 1 1/4" (32mm) ID: K-73502: Standard PVC Pipe Conduit has been used since the earliest days of Aluminum Spars to secure electrical wires and prevent them from slapping, and from fouling internal halyards. Conduit is normally installed with 3/16" (5mm) rivets, riveted from the outside. These are common 'Hardware Store' items, modern shipping requirements suggest that you procure these items locally when possible.
Hall Spar Extruded PVC Conduit x 48': HS PR-11438-48: Hall Spar Extruded PVC Conduit x 6': HS PR-11438-6: Special Conduit as used on Hall Spar (and Schaefer) Masts with internal electrical wire slide tracks. Extruded PVC Conduit has integral lug to fit internal mast track, and is 'open' on the forward side to allow for wires to easily exit where necessary. Available in lengths up to maximum listed, Conduit is also available in 6' lengths to allow for shipping considerations.
Isomat / Sparcraft 1" Conduit x 9' 10" (3M): NGA-14-3M: Isomat / Sparcraft 1" Conduit x 5' (1.5M): NGA-14-1.5M: Special 1" (25mm) ID Split Conduit as used on newer Isomat, and Sparcraft Masts with integral 'T''s for 'Slit' Conduit. Available in lengths up to maximum listed, Conduit is also available in 5' lengths to allow for shipping considerations.
Isomat / Sparcraft 1 1/4" Conduit x 9' 10" (3M): NGA-15-3M: Isomat / Sparcraft 1 1/4" Conduit x 5' (1.5M): NGA-15-1.5M: Special 1 1/4" (32mm) ID Split Conduit as used on newer Isomat, and Sparcraft Masts with integral 'T''s for 'Slit' Conduit. Available in lengths up to maximum listed, Conduit is also available in 5' lengths to allow for shipping considerations.
Isomat Conduit for Internal Slots: NGA-14X: Isomat Conduit for Internal Slots: NGA-15X: Early Isomat Masts had slots, as opposed to the newer 'T's, for Special extruded PVC Conduits with 1" and 1 1/4' ID's. These items are no longer available.

Electrical Plugs & Connectors Electrical Plugs & Connectors listed below are suitable for 12 volt and 24 volt applications and are polarized to assure proper circuit mating.
*2-Prong Covered Plug: EL-EP2R:* Premium 2-Prong Covered In-Line Plug with Rubber Jacket. Brass Wire receptacles feature set screw to clamp wire, unit (with Rubber Jackets) is (maximum) 2" long x 1" diameter. Suitable for wire up to #12 gauge.
*3-Prong Covered Plug: EL-EP3R:* Premium 3-Prong Covered In-Line Plug with Rubber Jacket. Brass wire receptacles feature set screw to clamp wire, unit (with Rubber Jackets) is (maximum) 2" long x 1" diameter. Suitable for wire up to #12 gauge.
*4-Prong Covered Plug: EL-EP4R:* Premium 4-Prong Covered In-Line Plug with Rubber Jacket. Brass wire receptacles feature set screw to clamp wire, unit (with Rubber Jackets) is (maximum) 2" long x 1" diameter. Suitable for wire up to #12 gauge.
*6-Prong Covered Plug: EL-EP6R:* Premium 6-Prong Covered In-Line Plug with Rubber Jacket. Brass wire receptacles feature set screw to clamp wire, unit (with Rubber Jackets) is (maximum) 2" long x 1" diameter. Suitable for wire up to #12 gauge.

Antenna Connectors
*Coaxial Cable Plug: EL-PL259:* Standard PL-259 male connector. Premium unit has Silver-plated center pin and shield with nickel-plated shell. For use with Coaxial Antenna Cables. Requires soldering.
*Coaxial Cable Plug Connector: EL-PL258:* Standard PL-258 double female barrel connector is used to connect (2) PL-259 male plugs. Premium unit has Silver-plated socket.
*PL-259/RG-8X Cable Adapter: EL-UG176:* RG-8X Coaxial Cable Adapter (reducer) required to adapt standard PL-259 Plug to RG-8X or RG-59 Cable.
*PL-259/RG-58 Cable Adapter: EL-UG175:* RG-58 Coaxial Cable Adapter (reducer) required to adapt standard PL-259 Plug to RG-58 Cable.

Rubber Grommets Rubber Grommets are designed to prevent abrasion of electrical cables wherever they exit the Spar. Listed by the size hole (C) that they fit in, ID (A), wall thickness (B), and OD (D).
Rubber Grommet for 7/16" hole, 1/4" ID, 3/16" wall - 5/8" OD: EL RG7-4-3: Rubber Grommet for 5/8" hole, 3/8" ID, 3/16" wall - 7/8" OD: EL RG10-6-3: Rubber Grommet for 13/16" hole, 1/2" ID, 1/16" wall - 1 1/16" OD: EL RG13-8-1: Rubber Grommet for 13/16" hole, 1/2" ID, 3/16" wall - 1 1/16" OD: EL RG13-8-3: Rubber Grommet for 1" hole, 11/16" ID, 1/8" wall - 1 5/16" OD: EL RG16-11-2: Rubber Grommet for 1 1/16" hole, 3/4" ID, 1/4" wall - 1 3/8" OD: EL RG17-12-4: Rubber Grommet for 1 3/8" hole, 1" ID, 3/16" wall - 1 3/4" OD: EL RG22-16-3:

Electrical Cover, Exit, & Access Plates Note that Halyard Exit Plates are sometimes used to exit electrical wires. For larger wires, or to cover larger holes, See Halyard Exit Plates.
Electrical Exit Plate - Micro: NF 29088M: Mini Electrical Exit Plate is designed to cover the hole where an electrical cable exits the Mast while guiding the cable in its intended direction and keeping it parallel to the Mast. Formed SS Plate is (maximum) 1 1/4" wide x 3/4" long x 3/8" high and is designed for use with cables up to 5/16" diameter. Plate attaches with (2) #6 (1/8") RH machine screws.
Electrical 'Clamshell' Exit Plate - Mini: NF 29090: Electrical 'Clamshell' Exit Plate is designed to cover the hole where an electrical cable exits the Mast while guiding the cable in its intended direction and keeping it parallel to the Mast. Formed triangular SS Plate is (maximum) 1 13/16" wide x 1 1/2" long x 3/8" high and is designed for use with cables up to 3/8" diameter. Plate attaches with (3) #6 (1/8") RH machine screws.
Electrical 'Clamshell' Exit Plate - Large: NF 29100S: Electrical 'Clamshell' Exit Plate is designed to cover the hole where an electrical cable exits the Mast while guiding the cable in its intended direction and keeping it parallel to the Mast. Formed triangular SS Plate is (maximum) 2 1/4" wide x 2 1/4" long x 1/2" high and is designed for use with cables up to 1/2" diameter. Plate attaches with (3) #6 (1/8") RH machine screws.
Electrical Exit Plate - Round: RR 72-98M: Electrical Exit Plate is designed to cover the hole where an electrical cable exits the Mast while guiding the cable in its intended direction and keeping it parallel to the Mast. Formed, round SS Plate is 2" in diameter and is designed to cover a hole up to 1 1/4". Plate is slightly curved to fit a variety of mast sections and attaches with (3) #10 (3/16") RH machine screws.

Plastic Electrical Access Plate - Curved: RR 72-97P: Electrical Access Plate is designed to allow access to internal electrical plugs above the mast step, without having to unstep the mast. Gray Plastic Plate is 4 1/8" x 1 3/4" and is designed to fit into a 2 3/8" x 1 3/8" vertical slot in the side of the mast. Plate is slightly curved to fit a variety of mast sections and has internal lip to allow for attachment with only (1) 1/4" or 6mm RH screw. 4397
Electrical Access Plate - Curved: RR 72-99: Electrical Access Plate is designed to allow access to internal electrical plugs above the mast step, without having to unstep the mast. Saves much in frustration and money by allowing you to check mast wiring connections with the mast up. SS Plate is 4 1/2" x 2" and is designed to cover a 3" x 1 1/4" vertical slot in the side of the mast, just above the top of the mast step. Plate is slightly curved to fit a variety of mast sections and attaches with (4) 1/4-20 RH machine screws (included).
Electrical Access Plate - Flat: RR 72-99F: Electrical Access Plate is designed to allow access to internal electrical plugs above the mast step, without having to unstep the mast. Saves much in frustration and money by allowing you to check mast wiring connections with the mast up. Flat SS Plate is 4 1/2" x 2" and is designed to cover a 3" x 1 1/4" vertical slot in the side of the mast, just above the top of the mast step. Plate fits all mast sections with flat-sides and attaches with (4) 1/4-20 RH machine screws (included).


Structural Access Plate w/ Backing Ring - Oval, 9" x 6": RR 72-109F:
Heavy-duty Stainless Steel Access Plate Assembly is designed to allow access to internal components while maintaining structural integrity with or without Access Plate being attached. Oval Backing Ring is (maximum) 9" x 6" OD (6 1/2" x 3 1/2" ID) and attaches internally or externally with (12) 1/4" bolts or rivets. Cover Plate (7 3/4" x 4 3/4") attaches to Backing Ring with (12) 1/4-20 screws, both components are .170" thick. Designed for use on Flat surfaces, this assembly is used in Masts, Tanks, Gear cases and other applications.
Structural Access Plate w/ Backing Ring - 10" Round: RR 72-210F:
Heavy-duty Stainless Steel Access Plate Assembly is designed to allow access to internal components while maintaining structural integrity with or without Access Plate being attached. Round Backing Ring is 10" OD x 4" ID, and attaches internally or externally with (12) 1/4" bolts or rivets. Cover Plate is 5 3/8" OD and attaches to Backing Ring with (12) 1/4-20 screws, both components are .204" thick. Designed for use on Flat surfaces, this assembly is used in a variety of structural applications.
Structural Access Plate w/ Backing Ring - 12" Round: RR 72-212F:
Heavy-duty Stainless Steel Access Plate Assembly is designed to allow access to internal components while maintaining structural integrity with or without Access Plate being attached. Round Backing Ring is 12" OD x 6 1/2" ID, and attaches internally or externally with (12) 1/4" bolts or rivets. Cover Plate is 7 7/8" OD and attaches to Backing Ring with (12) 1/4-20 screws, both components are .170" thick. Designed for use on Flat surfaces, this assembly is used in a variety of structural applications.

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