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NSI - Extreame Savings! Save up to 47%


Extreame Savings! Up to 47% off on NSI products at In The National Interest. Hurry! Limited time offers. Offers valid only while supplies last.



NSI 3002 Thermal Flush Mounting Photocontrol 208 - 277 Volt AC SPST Black Tork
NSI 3002 Thermal Flush Mounting Photocontrol 208 - 277 Volt AC SPST Black Tork
In Stock
$12.24
$7.03
You Save: 43%

mpn: 3002, ean: 0078626160019,

NSI 3002 Thermal Flush Mounting Photocontrol 208 - 277 Volt AC SPST Black Tork®On at Dusk, Off at Dawn. Weather Resistant. Max. Wattage: 3470 to 4620. Mounting: Flush/Box. Temp. Range: -40 Degrees to 140 Degrees F. ...


All Purpose 360 Degrees Rotating Beacon, Warning Light, 117VAC, For Security Intrusion, Amber
All Purpose 360 Degrees Rotating Beacon, Warning Light, 117VAC, For Security Intrusion, Amber
In Stock
$315.66
$283.22
You Save: 10%

mpn: TA47AN5, ean: 0786261961617,

NSi warning light industrial unit. Applicable for 1/2-inches conduit mounting. All purpose 360 Degrees beacon color large parabolic reflector rotates around a 100 wall bulb. Long range beam. Use to indicate equipment malfunctions, security intrusion,...


All Purpose 360 Degrees Rotating Beacon, Warning Light, 117VAC, For Security Intrusion, Red
All Purpose 360 Degrees Rotating Beacon, Warning Light, 117VAC, For Security Intrusion, Red
In Stock
$186.39

mpn: TA47RN5, ean: 0786261960610,

Large parabolic reflector rotates around a 100 wall bulb. Long range beam. Use to indicate equipment malfunctions, security intrusion, etc.Momentary contact. Corrosion resistant outdoor use. Acrylic dome. Glass filled polypropylene housing. 9 1/2" x ...


Compact Rotating Beacon, Warning Light, 117VAC, Amber
Compact Rotating Beacon, Warning Light, 117VAC, Amber
In Stock
$280.22
$154.21
You Save: 45%

mpn: TA52AN5, ean: 0786261961631,

Rotating beacon colorLight on when door is open. 360 degree rotation. Acrylic dome. 6 1/2"H x 55/8" diameter. ...


Solid Wire Grounding Combo Slotted Hex Screw (Pack of 100)
Solid Wire Grounding Combo Slotted Hex Screw (Pack of 100)
In Stock
$13.47
$12.80
You Save: 5%

mpn: GSC, ean: 0662381402882,

NSI Solid wire grounding combo slotted hex screw are insulated conductors supplied with an attached ground screw on one end and the insulation stripped back one inch on the other end. Meets requirements of NEC. A great labor saver.Solid wire groundin...


Polaris Insulated Multi-Cable Connector Block, Wire Entry From One Side, IPL Series, 4-14 AWG Wire Range, 3 Ports, 1/8'' Hex, 1.12'' Width, 1.5'' Height, 1.54'' Length
Polaris Insulated Multi-Cable Connector Block, Wire Entry From One Side, IPL Series, 4-14 AWG Wire Range, 3 Ports, 1/8" Hex, 1.12" Width, 1.5" Height, 1.54" Length
In Stock
$21.66

mpn: IPL4-3A, ean: 0662381910219,

This NSi Industries IPL4-3A Polaris insulated connector block connects up to three cables from American Wire Gauge (AWG) #4 to #14. It is insulated with plastisol for high-dielectric strength and resistance to chemicals, abrasion, and UV radiation, a...


NSi Industries TORK RKP301 Outdoor 120-Volt Button Photocontrol - Controls Lighting Dusk to Dawn for Lamp Posts and Lighting Fixtures - Compatible with Incandescent/Compact Fluorescent/Halogen/LED
NSi Industries TORK RKP301 Outdoor 120-Volt Button Photocontrol - Controls Lighting Dusk to Dawn for Lamp Posts and Lighting Fixtures - Compatible with Incandescent/Compact Fluorescent/Halogen/LED
In Stock
$10.17

mpn: RKP301, ean: 0786261620231,

The reliable outdoor TORK RKP301 photocontrol is designed to automatically turned your lighting on at dusk and off at dawn, helping you to save energy and money, while adding safety and security at night. Installation instructions can be downloaded i...


NSi Industries TORK RKP311 Outdoor 120-Volt Button Photocontrol With Wall Plate - Controls Lighting Dusk to Dawn - Compatible with Incandescent/Compact Fluorescent/Halogen/LED
NSi Industries TORK RKP311 Outdoor 120-Volt Button Photocontrol With Wall Plate - Controls Lighting Dusk to Dawn - Compatible with Incandescent/Compact Fluorescent/Halogen/LED
In Stock
$10.98

mpn: RKP311, ean: 0786261620279,

The reliable outdoor TORK RKP311 photocontrol is designed to automatically turned your lighting on at dusk and off at dawn, helping you to save energy and money, while adding safety and security at night. Installation instructions can be downloaded i...


Quick Response Turn-Lock Mounting Photocontrol, 1800VA Ballast, 1000W Power, 105-285VAC Voltage, Blue
Quick Response Turn-Lock Mounting Photocontrol, 1800VA Ballast, 1000W Power, 105-285VAC Voltage, Blue
In Stock
$16.00
$8.42
You Save: 47%

mpn: 2007A, ean: 0786261620132,

This NSi Industries 2007A photocontrol accepts 105-285 VAC input, has a 1,800 VA ballast capability, and can power a 1,000 watt lamp for applications such as street and highway lighting. The cadmium sulphide photocell turns on lighting when the ambie...


NSi Industries TORK TU40 Indoor/Outdoor 40-Amp Universal Multi-Volt Electromechanical Appliance Timer - 24-Hour Programming - Multiple On/Off Settings - 120-277-Volt - Compatible with Incandescent/Compact Fluorescent/LED - Same On/Off Times Each Day
NSi Industries TORK TU40 Indoor/Outdoor 40-Amp Universal Multi-Volt Electromechanical Appliance Timer - 24-Hour Programming - Multiple On/Off Settings - 120-277-Volt - Compatible with Incandescent/Compact Fluorescent/LED - Same On/Off Times Each Day
In Stock
$79.99
$53.85
You Save: 33%

mpn: TU40, ean: 0786261240002,

The reliable indoor/outdoor TORK TU40 timer is designed for residential and commercial use for a variety of loads required to be automatically turned on and off during a 24-hour cycle when operation is required at the same time every day. The timer a...


DZS Series Multipurpose Control 365/7 Day Advanced Time Switch, 120/208-240/277 VAC Timer Supply, 4 Channels, SPDT Dry Contact
DZS Series Multipurpose Control 365/7 Day Advanced Time Switch, 120/208-240/277 VAC Timer Supply, 4 Channels, SPDT Dry Contact
In Stock
$1,445.59
$859.00
You Save: 41%

mpn: DZS400BP, ean: 0786261821843,

4.4 out of 5 stars with 22 reviews
This NSi Industries DZS400BP digital time switch accepts 120/208-240/277 VAC input and its SPDT output contacts can activate a 20 amp load or 2 hp motor on each of four channels. This multipurpose timer includes 99 pairs of on/off set points, has a m...


Split Bolt, Post and Tap Connector, Type TL Copper and Cast Bronze Terminal Lug, 4/0 str - 300 MCM Wire Range, 1/2'' Bolt Hole Size, 2 Holes, 1000 Amp Nec, 4'' Width, 1.25'' Height, 4.313'' Length
Split Bolt, Post and Tap Connector, Type TL Copper and Cast Bronze Terminal Lug, 4/0 str - 300 MCM Wire Range, 1/2" Bolt Hole Size, 2 Holes, 1000 Amp Nec, 4" Width, 1.25" Height, 4.313" Length
In Stock
$787.96
$735.43
You Save: 7%

mpn: TL250-4L2, ean: 0662381981684,

4.1 out of 5 stars with 31 reviews
Type TL copper and cast bronze terminal lugs. UL listed. 4/0 str - 300 MCM Wire range. 1/2-inches Bolt hole size. 1000 Amp Nec. Measures 4-inches width by 1.25-inches height by 4.313-inches length.Type TL copper and cast bronze terminal lugs. 4/0 str...


Split Bolt, Post and Tap Connector, Type TL Copper and Cast Bronze Terminal Lug, 300 MCM - 500 MCM Wire Range, 1/2'' Bolt Hole Size, 2 Holes, 1600 Amp Nec, 4.938'' Width, 1.5'' Height, 4.5'' Length
Split Bolt, Post and Tap Connector, Type TL Copper and Cast Bronze Terminal Lug, 300 MCM - 500 MCM Wire Range, 1/2" Bolt Hole Size, 2 Holes, 1600 Amp Nec, 4.938" Width, 1.5" Height, 4.5" Length
In Stock
$929.30
$694.03
You Save: 25%

mpn: TL500-4L2, ean: 0662381981707,

4.8 out of 5 stars with 59 reviews
Type TL copper and cast bronze terminal lugs. UL listed. 300 MCM - 500 MCM Wire range. 1/2-inches Bolt hole size. 1600 Amp Nec. Measures 4.938-inches width by 1.5-inches height by 4.5-inches length.Type TL copper and cast bronze terminal lugs. 300 MC...


Split Bolt, Post and Tap Connector, Type TL Copper and Cast Bronze Terminal Lug, 300 MCM - 500 MCM Wire Range, 1/2'' Bolt Hole Size, 4 Holes, 1600 Amp Nec, 4.938'' Width, 1.5'' Height, 4.5'' Length
Split Bolt, Post and Tap Connector, Type TL Copper and Cast Bronze Terminal Lug, 300 MCM - 500 MCM Wire Range, 1/2" Bolt Hole Size, 4 Holes, 1600 Amp Nec, 4.938" Width, 1.5" Height, 4.5" Length
In Stock
$995.43
$902.66
You Save: 9%

mpn: TL500-4L4, ean: 0662381981721,

4.9 out of 5 stars with 59 reviews
Type TL copper and cast bronze terminal lugs. UL listed. 300 MCM - 500 MCM Wire range. 1/2-inches Bolt hole size. 1600 Amp Nec. Measures 4.938-inches width by 1.5-inches height by 4.5-inches length.Type TL copper and cast bronze terminal lugs. 300 MC...


C Taps Copper Compression Connector, 1 to 1/4 Wire Size Main, Blue
C Taps Copper Compression Connector, 1 to 1/4 Wire Size Main, Blue
In Stock
$569.16
$418.76
You Save: 26%

mpn: CTH-111, ean: 0662381977083,

4.3 out of 5 stars with 41 reviews
These taps ensure positive, all-around compression with low resistance and high pull-out values. Made of high conductivity copper, they satisfy the requirements of NEC250-81 and 250-91 for connecting to the grounding electrode system. Rated for 600V ...


C Taps Copper Compression Connector, 750-500 and 750 Wire Size Main
C Taps Copper Compression Connector, 750-500 and 750 Wire Size Main
In Stock
$513.29
$505.71
You Save: 1%

mpn: CTH-117, ean: 0662381977205,

These taps ensure positive, all-around compression with low resistance and high pull-out values. Made of high conductivity copper, they satisfy the requirements of NEC250-81 and 250-91 for connecting to the grounding electrode system. Rated for 600V ...


Copper Lay-In Connector with Steel Screws, 4-14 AWG Wire Range, 0.375'' Width, 0.687'' Height, 0.968'' Length
Copper Lay-In Connector with Steel Screws, 4-14 AWG Wire Range, 0.375" Width, 0.687" Height, 0.968" Length
In Stock
$699.09
$633.86
You Save: 9%

mpn: GLC-4, ean: 0662381977625,

4.0 out of 5 stars with 50 reviews
NSI Copper Lay-In connectors are used for grounding or in continuous loop bonding and are available in several variations, depending on the application. General use for copper wire only. GLC-4 has a copper body with a steel screw and is used for gene...


Tin-Plated Copper Lay-In Connector with Stainless Steel Screws, 4-14 AWG Wire Range, 0.375'' Width, 0.687'' Height, 0.968'' Length
Tin-Plated Copper Lay-In Connector with Stainless Steel Screws, 4-14 AWG Wire Range, 0.375" Width, 0.687" Height, 0.968" Length
In Stock
$651.71
$619.12
You Save: 5%

mpn: GLC-4 DBP, ean: 0662381977663,

4.0 out of 5 stars with 13 reviews
NSI Copper Lay-In connectors are used for grounding or in continuous loop bonding and are available in several variations, depending on the application. Direct burial for copper wire only. GLC-4 DBP have Tin-Plated Copper bodies with stainless steel ...


DGU Series Lighting Control with Photo/Override Input Control Time Switch, Metal Indoor NEMA 1 Enclosure, 120-277 VAC 50/60 Hz Input Supply, SPDT Momentary Output Contact
DGU Series Lighting Control with Photo/Override Input Control Time Switch, Metal Indoor NEMA 1 Enclosure, 120-277 VAC 50/60 Hz Input Supply, SPDT Momentary Output Contact
In Stock
$885.12
$758.79
You Save: 14%

mpn: DGUM100A-Y, ean: 0786261822246,

4.2 out of 5 stars with 53 reviews
This NSi Industries DGUM100A-Y digital time switch accepts 120-277 VAC input and its SPDT output contacts provide momentary contact operation (up to two seconds) for mechanically held contactors and low-voltage remote control operations. This timer i...


Electronic Strobe, Warning Light, 117VAC, For Outdoor, Red
Electronic Strobe, Warning Light, 117VAC, For Outdoor, Red
In Stock
$640.95

mpn: TA94RN5, ean: 0786261976260,

High intensity strobe tube with inner fluted lens for maximum brilliance. No moving parts make it immune to shock and vibration. Ideal for security alert.Red color. Solid state electronic circuitry high output3-4 Watt, 3.6 Joules. 9 1/2"H x 8 1/2" di...



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