Tenant fit-up panel single line diagram
New metered 100A feeder and panel from base-building distribution. Use this for a tenant improvement: a new metered 100A feeder and panel taken from the base building’s distribution.
A free template with typical ratings, conductor callouts and general notes. Open it, change what differs on your job, fill in the title block and export a PDF.
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What the reviewer checks on this drawing
The reviewer looks for spare capacity in the base-building switchboard, confirmed with the landlord; the tenant metering; and the exit and emergency lighting circuits.
What the drawing shows
Every device on the sheet, in the order power reaches it.
| Symbol | Label | Rating or detail | Conductors feeding it |
|---|---|---|---|
| Device | Base-building switchboard (EXIST) | 120/208V 3φ 4W | |
| Circuit breaker | 100A 3P | New tenant feeder | |
| Meter | Tenant meter | Per utility or landlord | |
| Panel | Tenant panel TP-1 | 100A · 42 circuits · 120/208V | 4 #3 Cu + #8 G, 1-1/4" EMT |
| Circuit breaker | 20A 1P | ||
| Load | Lighting | ||
| Circuit breaker | 20A 1P | ||
| Load | Receptacles | ||
| Circuit breaker | 40A 3P | ||
| Load | Rooftop unit | ||
| Circuit breaker | 30A 2P | ||
| Load | Water heater | ||
| Circuit breaker | 20A 1P | ||
| Load | Signage |
Notes on the sheet
- Confirm spare capacity in the base-building switchboard with the landlord before design.
- Typed panel directory provided at completion.
- Exit and emergency lighting on circuits per the adopted building code.
Diagram is schematic and not to scale. Field-verify existing equipment ratings. Ratings and conductor sizes shown are typical. Confirm against the adopted code, the equipment listing and a load calculation before installation. Code references are to the 2023 NEC and the 2024 Canadian Electrical Code: see references and editions.
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