HOW TO SELECT PERFORMANCE BASED CONDUIT
As a craftsman, achieving best practice performance and compliance for all your electrical cable management work is important. With the introduction of the AS/NZS 3000:2018 Wiring Regulations, use this 3 point guide for selecting electrical conduit.
Not all products are made the same
KEY SELECTION FACTORS
› Performance
› Heavy Duty Classification
› Compliance
| BEST PRACTICE CONDUIT FEATURES | MARLEY ARMA® |
|---|---|
| 1. PERFORMANCE | |
Category A Underground Wiring systems  – Save time & costs by eliminating the requirement for additional cable cover protection |  |
Material Finish  – High gloss finish has superior resistance to scratching and soiling compared to matte finish | Gloss finish |
Quality of cut  – Product retains shape once cut, unlike thinner wall product which may deform permanently | |
Fittings  – Colour match to Marley ARMA® conduit for a professional finish – Extensive range for ease of install |
|
 Service Temperature | -15˚C to 60 |
| 2. HEAVY DUTY MECHANICAL | |
 – Heavy duty durability (compression and impact protection) at very low temperatures | HD4431 |
| 3. COMPLIANCE | |
 – AS/NZS 61386 |
|
Product Authenticity
Not all brands of rigid conduit in the market perform to the same level.
For proof of intended performance, check the mandatory print requirements that are marked on the conduit.
1. Manufacturer and/or brand name identification
2. Designed specifically to protect electrical wiring
3. Classification Rating
4. Compression Duty Rating (Rating 4 = Heavy Duty)
5. Impact Duty Rating (Rating 4 = Heavy Duty)
6. Minimum Service Temperature rating (Rating 3 = -15˚c)
7. Maximum Service Temperature rating (Rating 1 = 60˚c)
8. New Manufacturing Standard
9. 3rd party License Verification for the specific manufacturing site
10. Exact date and time of manufacture and Marley item code for easy tracking
If it’s not 4431 ask why not?
PRODUCT SNAPSHOT
SIZE | |
|---|---|
| DIAMETER (mm) | 20, 25, 32, 40, 50 |
| LENGTH (m) | 4 |
MATERIAL | |
| COLOUR | Orange |
| FORMULATION | uPVC Resin + modifiers |
| FINISH | High Gloss |
TEMPERATURE | |
| SERVICE TEMPERATURE RANGE | -15˚C to 60˚C |
| LINEAR CO EFFICIENT OF THERMAL EXPANSION | 7 x 10-5 m/(m K) |
FITTINGS | |
| MARLEY COLOUR MATCH | Yes |
| EXTENSIVE RANGE | Yes |
| SOLVENT JOINT | Yes |
| DUTY RATING | Heavy Duty 4431 |
DURABILITY | |
| BUILDING CODE | NZBC B2 (Interior or concealed applications) |
| DUTY RATING | Heavy Duty 4431 |
| COMPRESSION RESISTANCE | HD – Rating 4 |
| IMPACT RESISTANCE | HD – Rating 4 |
| RESISTANCE TO BURNING (AS/NZS 61386) | Non flame propagating |
| UV RESISTANCE | No |
| CHEMICAL RESISTANCE | High2 |
COMPLIANCE | |
| MANUFACTURING STANDARD | AS/NZS 61386 |
| ENVIRONMENTAL ACCREDITATION | BEP Certified |
| ISO 14001 | BEP Certified |
| 3RD PARTY VERIFICATION | BV Lic. 2755 |
1 Meets the requirements of AS/NZS5033 – Installation & Safety Requirements for Photovoltaic (PV) Arrays
2 Avoid contact with ketones, esters, aromatic and chlorinated solvents
