Possible Clues:

• Writing book for rough notes
• Ordinary guy runs to grab case for tablet or notebook
• The writer in French Resistance storing too much in notepad
• Notepad user
• Block electric signal's unsteadiness, switching current to zero
• Pad top of jacket with fur
• Notepad scribbler
• Top of joint on aquatic mammal’s pad
• Pad's a bit steep when going upstairs?
• Scribbling pad