Cole Hersee Company announces its battery feeder studs for the trucking industry. Cole Hersee's battery feeder studs transport DC power through firewalls, allowing truck batteries to be recharged or supplied with power from external sources. The battery feeder studs are solid brass with impact-resistant plastic insulation. Ideal for heavy duty systems ranging from 6 to 36V DC, the studs are available in red (part no. 46211-R) and black (46211-01).