Skip to content
WorkZen
Academy
Home
All Trades
My Progress
en
English
EN
Français
FR
Español
ES
Menu
Home
All Trades
My Progress
Search certifications...
en
English
EN
Français
FR
Español
ES
Academy
Garage Door Technician
Garage Door Installation & Setup Certification
Opener Installation & Mounting
Knowledge Check
Opener Installation & Mounting
Knowledge Check
Knowledge Check
1 / 12
How often should battery backup function be tested?
A
Annually
B
Only when power fails
C
Quarterly
D
Monthly
Check Answer
Back to lessons
Next module: Safety Devices & UL 325 Compliance
Next module: