Frequently Asked Questions (FAQs) FAQs for Product: Respironics Shielded DC Power Cord #1001956 1. Can this DC power cord be used on a Resmed S8 auto spirit 11 which has a negative centre and a positive barrell (outer)? (Posted: 15th Jan, 2008) Question & Answers for Product: Respironics Shielded DC Power Cord #1001956 Q. Can this DC power cord be used on a Resmed S8 auto spirit 11 which has a negative centre and a positive barrell (outer)? (Posted: 15th Jan, 2008) A. No, it is designed for a Respironics CPAP machine. A Resmed CPAP machine requires that you use a Resmed Converter. Back to Top Submit A New Question Can't Find The Answer You're Looking For? Submit Your Question Below: Related Product:  Respironics Shielded DC Power Cord #1001956 Your Question:  (Please enter One Question Only! You can ask as many questions as you like, but do not combine them into one post!) Your Reply Email Address:  Security Step:  Enter the text to the Left in the space below: [ CLOSE WINDOW ]