The people doing the work.
WHAT SKILLS ARE REQUIRED
Electrical competence Working at height Mechanical assembly System configuration Testing and fault-finding Customer explanation
WHY ELECTRICAL COMPETENCE IS NOT OPTIONAL
Direct current at array voltage is dangerous, and poor work causes fires.
WHAT TO VERIFY
Qualifications and any required registration.
WHAT TO TRAIN
The specific systems you install Safe working at height Correct cable and connector practice Testing and commissioning How to explain the system to customers
WHY CONNECTOR PRACTICE SPECIFICALLY
Poorly made connections are a leading cause of failures and fires in solar installations.
WHAT TO PROVIDE
Correct tools, including proper crimping tools.
WHY
Improvised connections fail.
WHAT SAFETY REQUIRES
Fall protection for roof work Isolation before working on the system Protective equipment Awareness that arrays generate whenever there is light
WHY THAT LAST POINT
Panels cannot be switched off, and they are live during installation.
WHAT TO ESTABLISH
Procedures for isolating and verifying.
WHAT TO SUPERVISE
Work that will be concealed Connections Protection installation
WHY
They cannot be inspected afterwards.
WHAT TO RECORD
Who performed and who checked each installation.
WHAT TO MEASURE
Callbacks and their causes.
WHAT CALLBACK PATTERNS REVEAL
Training gaps or workmanship problems.