14/2 NMD *** Call for pricing***

Standard 14/2 NMD90 non-metallic sheathed building cable with a bare bonding conductor, supplied in a 75 metre coil. This is the everyday residential branch circuit cable for receptacles, switches and lighting in dry and damp locations. Pricing follows the copper market, so the listing is by enquiry rather than a posted figure.

Why a copper cable is quoted rather than priced

The copper in a coil of building wire is a traded commodity, and the price a distributor pays changes week to week. Posting a fixed figure on a cable listing means either quoting high enough to be safe or re-pricing the page constantly, and neither helps a contractor pricing a job. A phone quote gets you the number that is actually good today, and for a house lot it is usually a better number than a posted one would have been.

Specifications

Best for: residential rough-in, renovation and service work where dry or damp location branch circuit cable is going in by the coil rather than by the metre.

Common questions

What does the 90 in NMD90 mean?
It is the maximum allowable conductor temperature in degrees Celsius. The insulation is built to withstand that, which is a different question from how much current the Code will let you run through the cable.

Can I run this cable outdoors or in a wet location?
No. The datasheet limits it to exposed work in dry locations or concealed work in dry or damp locations. Wet locations, direct burial and outdoor runs all need a different cable.

Is the 25 amp ampacity figure my breaker size?
No, and this is the mistake that gets caught on inspection. The ampacity table and the overcurrent rule are two different things, and the datasheet flags Rule 14-104(2) against that figure for exactly this reason.

How cold can it be when I pull it?
The datasheet gives a minimum recommended installation temperature for two conductor cable and asks that the coil be stored above freezing for a full day beforehand. Cold jacket cracks, and it cracks where you cannot see it.