A standard cooling fan is essentially a bladed DC motor. By varying the voltage input across the acceptable range for a fan, the speed of the fan will increase (to added voltage) and decrease (to reduced voltage); a faster fan means more air moved and thus a higher heat exchange rate.
Contact them toll-free from a Vodacom cellphone by dialing 111. Contact them toll-free from a Telkom phone by dialing 0800-111-234. Note: Telkom toll-free numbers are generally NOT toll-free when dialed from a MTN/Vodacom cellphone.
Vodacom Customer Care Number [30+ Numbers â 2014 Update]. This is a list of more than 30 Vodacom customer care number updated for 2014 to use at anytime you want to contact the Vodacom customer care South Africa.187 â Prepaid information hotline. 1181 â Call this number to quickly check or change you current tariff plan. 082 1959 âVodacom Contract Upgrade Department. 124 â To blacklist or report a stolen phone, you can call this Vodacom customer care line.