
1. Product Overview
NMD90 is a flame-retardant, heat/moisture-resistant cable designed for power and lighting circuits in residential, commercial, and industrial buildings. Compliant with CSA C22.2 No. 48 and bearing UL File E487898.
2. Key Specifications
Parameter | Value |
---|---|
Voltage Rating | 300V |
Max. Temp. | 90°C (dry locations only) |
Min. Install Temp. | -25°C (all types), -40°C (2-conductor only*) |
Flame Rating | FT1 |
Standards | CSA C22.2 No. 48, Canadian Electrical Code (CEC) |
3. Construction & Materials
-
Conductor:
-
Copper Type: 14–2 AWG solid copper + 14–2 AWG copper ground.
-
Aluminum Type: 6–2 AWG AA-8000 ACM alloy + AL ground (grey).
-
-
Insulation: PVC (color-coded per conductor).
-
Inner Jacket: Nylon barrier (moisture resistance).
-
Outer Jacket: PVC (flame-retardant FT1, heat/moisture-resistant).
-
Configuration:
-
2-conductor: Flat parallel ("parcel laid").
-
3/4-conductor: Round laid.
-
4. Applications
-
Dry Locations: Exposed or concealed wiring (e.g., walls, attics).
-
Damp Locations: Concealed only (subject to CEC Section 4-008).
-
Exclusions: Wet locations, direct burial, or corrosive environments.
Installation Note: Store at >0°C for 24 hours prior to handling.
5. Technical Data Sheet
Size (AWG) | Strands | Insul. Thick (mm) | Nylon Thick (mm) | Ground Size (AWG) | Jacket Thick (mm) | OD (mm) |
---|---|---|---|---|---|---|
14/2 | 1 | 0.38 | 0.10 | 14 | 0.76 | 4.5×9.1 |
12/2 | 1 | 0.38 | 0.10 | 12 | 0.76 | 4.9×10.4 |
10/2 | 1 | 0.51 | 0.10 | 10 | 0.76 | 5.7×12.5 |
8/2 | 7 | 0.76 | 0.13 | 10 | 0.76 | 7.4×15.9 |
6/2 | 7 | 0.76 | 0.13 | 10 | 0.76 | 8.4×17.5 |
14/3 | 1 | 0.38 | 0.10 | 14 | 0.76 | 4.5×11.3 |
12/3 | 1 | 0.38 | 0.10 | 12 | 0.76 | 4.9×13.4 |
10/3 | 1 | 0.51 | 0.10 | 10 | 0.76 | 5.7×15.9 |
8/3 | 7 | 0.76 | 0.13 | 10 | 0.76 | 7.4×21.1 |
6/3 | 7 | 0.76 | 0.13 | 10 | 0.76 | 8.4×23.9 |
6. Compliance & Safety
-
CSA/UL Listed: Certified for Canadian and US markets.
-
Temperature Limits:
-
Conductor: ≤90°C (dry), ≤60°C (damp).
-
Ambient install: ≥-25°C (all), ≥-40°C (2-conductor with care).
-
-
Grounding: Copper ground (14–2 AWG), Aluminum ground (6–2 AWG).
7. Engineering Notes
-
Ampacity: Refer to CEC Table 2 or 4 based on application.
-
Bending Radius: ≥6× cable diameter.
-
Correction Factors: Apply per CEC Table 5A/B for ambient >30°C.