Industrial-duty cable reels such as Pow-R-Mite® and Pow-R-Matic® are spring-powered reels made of precision electrical and mechanical components to accommodate upto 48.8m (160')of 16/3 AWG cable or upto 15.3m (50') of 6/3 AWG cable. Cable reels have NEMA-3 andNEMA-4 ratings for indoor and outdoor use to protect against water and corrosion for weather and dust resistance. Precision collector rings can be specified for upto 36 conductors.