Ready to keep high-voltage work extra safe and super organized? This friendly job-aid gives you clean, fillable templates to document HV disable steps, signage/LOTO status, and re-energize checks. It’s all about clarity, traceability, and a controlled work area—without the clutter.
Note: Use these templates only with your organization’s approved procedures and by qualified personnel. They’re for documentation and control, not a how-to guide.
How to use this job-aid
- Print and attach to the job pack, or copy into your digital form system.
- Keep entries clear, timestamped, and signed.
- Add local procedure numbers and permit IDs where required.
1) HV Disable Log — Fillable Template
Use this to document the disable sequence, timing, observed wait times, and meter verification readings.
HV DISABLE LOG
A. Job & Asset Info
- Site/Area: _______________________________________________
- Equipment/Asset ID: ______________________________________
- Work Order/Permit #: _____________________________________
- Procedure/ SOP #: ________________________________________
- Single-Line/Drawings Ref: _________________________________
- Environmental Conditions (temp, weather): _________________
B. Team & Authorization
- Task Lead (print): _______________________________________
- Qualified Persons present: _______________________________
- Authorization obtained from: _____________________________
- Time authorization verified: ________ (24-hr)
C. Pre-Work Controls (record, do not instruct)
- [ ] LOTO plan reviewed per site procedure
- [ ] Boundaries and barriers set for controlled area
- [ ] Communication plan confirmed (radios/phones)
- [ ] PPE verified as per procedure
- [ ] Test equipment condition check recorded (see section E)
D. Disable Sequence Log (record each discrete step)
| Step # | Brief Description (per procedure) | Start Time | End Time | Person Initials |
|--------|----------------------------------------------|------------|----------|------------------|
| 1 | | | | |
| 2 | | | | |
| 3 | | | | |
| 4 | | | | |
| 5 | | | | |
E. Wait Time Observed (for discharge/cool-down as required by procedure)
- Required wait time: ___________ min Source/Calc Ref: __________
- Actual wait start: ________ Actual wait end: ________ Observed: ________ min
- Notes (indicators observed, status lights, gauges): __________________________________________
F. Meter/Test Instrument Verification (record results only; follow site method)
- Meter/Tester ID: __________________ Model: ______________ Cal Due: __________
- Verification method ref (e.g., SOP #): ______________________________
- Live-Dead-Live / Function Check:
• Pre-test on known source: PASS / FAIL Reading: __________ Units: _______
• Measurement at point of work: Reading: __________ Units: _______
• Post-test on known source: PASS / FAIL Reading: __________ Units: _______
- Additional phases/points:
• L1-L2: __________ • L2-L3: __________ • L1-L3: __________
• L1-G: __________ • L2-G: __________ • L3-G: __________
- Verified by (print/sign): __________________ Time: ________
G. Deviations/Comments
- _____________________________________________________________________________
- _____________________________________________________________________________
H. Supervisor/Owner Review
- Name/Sign: _______________________________ Time/Date: ______________________
2) Signage and LOTO Checklist — Fillable Template
This keeps your controlled work area tidy and compliant. Check only what applies and add notes.
SIGNAGE & LOTO CHECKLIST
A. Scope & Notifications
- [ ] Affected persons notified per site process
- [ ] Work scope matches permit/WO and procedure
- [ ] Emergency contact info posted and current
B. Boundaries & Signage
- [ ] Barricades/cones/tape set to defined boundary
- [ ] “Energized Work Prohibited/Authorized Personnel Only” signage posted
- [ ] Access points controlled (spotter or locks as required)
- [ ] Lighting and visibility adequate
C. Isolation & LOTO (record status; do not instruct)
- [ ] All required isolation points identified per drawings/procedure
- [ ] Devices placed in required positions (status labeled)
- [ ] Locks applied and tags completed (name, contact, date, reason)
- [ ] Group lock box (if used) set up and roster complete
- [ ] Stored/residual energy controls documented (mechanical/electrical/others)
- [ ] Zero energy state verification recorded in Disable Log (section F)
D. Documentation & Verification
- [ ] Procedure/SOP at the job site
- [ ] Single-line/diagrams at the job site
- [ ] Test equipment verification recorded
- [ ] Shift handover notes prepared (if multi-shift)
E. Housekeeping & Access
- [ ] Walkways clear and non-slip
- [ ] Tools/materials staged outside boundary when not in use
- [ ] Fire extinguisher class/type available if required
F. Sign-offs
- Installed/checked by (print/sign): ____________________ Time: ________
- Supervisor/Owner verify (print/sign): _________________ Time: ________
- Notes: _________________________________________________________________
3) Post-Task Re‑Energize Checklist — Fillable Template
Use this to confirm the area is clear, documentation complete, and the system is ready for controlled re-energization in line with your procedure.
POST-TASK RE‑ENERGIZE CHECKLIST
A. Work Completion
- [ ] Task scope completed as per work order
- [ ] Punch list items resolved or deferred with approvals
- [ ] As-found/as-left photos or readings attached
B. Equipment & Area Condition
- [ ] Tools, test leads, and materials removed
- [ ] Guards/covers/enclosures reinstalled and secured
- [ ] Nameplates/labels intact and readable
- [ ] Devices returned to required positions (documented)
- [ ] Area housekeeping complete; boundaries adjusted/removed as appropriate
C. Documentation
- [ ] Disable Log complete and signed
- [ ] Test readings recorded and legible
- [ ] Drawings/markups updated as needed
- [ ] Permits/LOTO docs prepared for removal per process
D. Personnel & Communication
- [ ] All personnel clear of hazard zone
- [ ] All affected persons notified of impending re-energization
- [ ] Radios/phones checked for comms
E. LOTO Removal (record only; follow site process)
- [ ] Lock/tag owners present or authorized removal documented
- [ ] Group lock box closed out; roster reconciled
- [ ] Control authority authorized re-energization
- [ ] Time of LOTO removal start: ________ End: ________
F. Re‑Energization & Observation
- [ ] Re-energization performed per procedure by authorized person(s)
- [ ] Initial indicators normal (ammeter/voltmeter/status lights/HMI)
- [ ] Abnormal conditions noted (if any): ____________________________
- [ ] Post-energization observation period complete: _______ min
G. Final Sign-offs
- Task Lead (print/sign): __________________ Time/Date: __________
- Owner/Operations (print/sign): __________ Time/Date: __________
- Notes: __________________________________________________________
Pro tips for crisp documentation
- Be specific and readable: include units, phases, and instrument IDs.
- Use 24-hour time to avoid confusion.
- If something varies from the plan, note who authorized the change and when.
- Snap a photo of the completed pages for the electronic record.
You’ve got this! Clear records and a tidy controlled work area make everyone safer and future troubleshooting way easier. Keep it calm, neat, and by-the-book.
