Cut Sheet

Threadless Rigid Conduit and IMC Couplings
Catalog
Number
Trade Size
(Inches)
Dimensions in Inches/Millimeters Weight Lbs./Kgs.
Per 100ABC
Compression Connectors — Concretetight
NTC-50 1/2 0.88/22.4 0.38/9.7 1.31/33.3 15.00/6.80
NTC-75 3/4 0.88/22.4 0.38/9.7 1.63/41.4 23.00/10.43
NTC-100 1 1.00/25.4 0.63/16.0 1.88/47.8 40.00/18.14
NTC-125 1-1/4 1.31/33.3 0.63/16.0 2.31/58.7 64.00/29.03
NTC-150 1-1/2 1.38/35.1 0.63/16.0 2.69/68.3 90.00/40.82
NTC-200 2 1.44/36.6 0.63/16.0 3.25/82.6 153.00/69.40
NTC-250 2-1/2 2.38/60.5 1.00/25.4 3.63/92.2 258.00/117.03
NTC-300 3 2.88/73.2 1.00/25.4 4.25/108.0 350.00/158.76
NTC-350 3-1/2 2.69/68.3 1.00/25.4 4.88/124.0 450.00/204.12
NTC-400 4 2.69/68.3 1.00/25.4 5.38/136.7 510.00/231.33
Compression Connectors — Insulated — Concretetight
RNTC-50 1/2 0.88/22.4 0.38/9.7 1.31/33.3 14.00/6.35
C
A
B
RNTC-75 3/4 0.88/22.4 0.38/9.7 1.63/41.4 22.00/9.98
RNTC-100 1 1.00/25.4 0.63/16.0 1.88/47.8 40.00/18.14
RNTC-125 1-1/4 1.31/33.3 0.63/16.0 2.31/58.7 64.00/29.03
RNTC-150 1-1/2 1.38/35.1 0.63/16.0 2.69/68.3 90.00/40.82
RNTC-200 2 1.44/36.6 0.63/16.0 3.25/82.6 145.00/65.77
Compression Couplings — Concretetight
NTCC-50 1/2 2.13/54.1 1.31/33.3 — 25.00/11.34
NTCC-75 3/4 2.31/58.7 1.63/41.4 — 35.00/15.88
NTCC-100 1 2.50/63.5 1.88/47.8 — 57.00/25.85
NTCC-125 1-1/4 2.88/73.2 2.31/58.7 — 91.00/41.28
NTCC-150 1-1/2 3.31/84.1 2.69/68.3 — 129.00/58.51
NTCC-200 2 4.06/103.1 3.25/82.6 — 273.00/123.83
NTCC-250 2-1/2 5.00/127.0 3.63/92.2 — 375.00/170.10
NTCC-300 3 5.06/128.5 4.25/108.0 — 465.00/210.92
NTCC-350 3-1/2 5.25/133.4 4.88/124.0 — 605.00/274.42
NTCC-400 4 5.38/136.7 5.38/136.7 — 680.00/308.44
90° Compression Box Connectors — Concretetight
NL90-50L 1/2 — — — 25.00/11.34
NL90-75L 3/4 — — — 40.00/18.14
Application
• Couplings are used to join lengths of steel EMT to rigid metal
conduit.
• Connectors are used to secure and terminate steel EMT to
knockouts and concreate tight box.
Material
• NTC, RNTC, NTCC: 1/2" thru 3/4": steel, 1" thru 1-1/4": steel
and malleable iron, 1-1/2" thru 4": malleable iron
• NL: 90˚ connectors: malleable iron
• SNTC, SRNTC: 1/2" thru 2": steel, 2-1/2" thru 4": malleable iron
• SNTCC: steel
• RCC: malleable iron
Certifications and Compliances
• UL Standard: 514B
• UL Listed: E14814 (NTC 1/2 - 2) (NTCC 1/2 - 2)
• CSA Standard: C22.2 No. 18.3
• CSA Certifi ed: 065178
• NEMA: FB-1
Commercial Products
COMMERCIAL PRODUCTS: RIGID AND IMC FITTINGS
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© January 2011
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