A safety sign states: “Do not enter unless lockout/tagout devices are in place.” What is the requirement?
Our free MASS practice questions act as a diagnostic tool to give you a clear snapshot of your MASS - Power Plant Maintenance Selection System readiness. Discover which topics are your strengths and, more importantly, which critical topics require your immediate attention.
| Name | MASS - Power Plant Maintenance Selection System |
| Code | MASS |
| Vendor | Construction and Industry |
| Certification | Edison Electric Institute (EEI) |