Factors for Determining Ampacity of Conductors

How can you determine the ampacity of conductors and apply adjustment factors, based on the requirements in Secs. 310-10?The ampacities of conductors vary depending on their conditions of use and exposure to surrounding ambient temperatures. This article covers how to determine the ampacity of conductors, based on the requirements in Sec. 310-10, Fine Print Notes (FPNs) (1) through (4).The conductor

Discuss this Article 0

Post new comment
Sign In or register to use your Electrical Construction & Maintenance (EC&M) Magazine ID
(optional)

White Papers
EC&M Learning Center
Webinars
EC&M TV
Feb. 28, 2011
video
Electrical Construction and Maintenance

Arlington Gangable boxes

Designed for new or retrofit applications, these snap-together gangable plastic boxes eliminate the need to construct a multiple-gang steel box out of several individual ones. Starting with a two-gang box, users can build the box they need in seconds, according to the company. For three-gangs or more, separate the box parts, add the center sections needed to make a new, larger box, and then snap the pieces back together. The UL-listed product is preset for ½-in. wall finish thicknesses....More

Newsletter Signup

Connect With Us