Fishtape in Ontario
Built for Ontario electrical contractors and the OESC
The calculators and drawing checks follow the Ontario Electrical Safety Code, Ontario's amendments included, and every estimate and invoice charges HST at the right rate.
Ontario, set up for you
Pick your province when you sign up and Fishtape sets the code book, permit authority, tax and safety reporting to match. These facts come from the same data the app uses.
- Electrical code
- CEC 2024, in force since 2025-05-01Ontario Electrical Safety Code 29th ed. (CEC 2024 + Ontario amendments) since 2025-05-01
- Permits and inspections
- Electrical Safety Authority (ESA)File a notification with ESA before starting (or within 48 h if not practicable); ESA gives connection authorization before the installation is used (OESC 2-004).
- Sales tax on your invoices
- HST 13%Default: Tax on everything. HST 13% on materials, labour and other lines.
- Injury reports
- WSIB, Form 73 business days after you learn of it. Safety lists what to report to Ministry of Labour, Immigration, Training and Skills Development (MLITSD) and when.
Provincial amendments in the app
ESA notifications, plan review thresholds and Ontario's Table 39 for service conductors are in the app. Our own one-line summaries; the code book and your inspector decide.
- Rule 2-004. File a notification with ESA before work starts (or within 48 h when that isn't practicable); ESA connection authorization is needed before use.
- Rule 2-005. Some small jobs need no notification, such as like-for-like device swaps up to 30 A, 130 V by a licensed contractor in an owner-occupied dwelling.
- Rule 2-010. Plan review for 3-phase services of 400 A or more, single-phase 600 A or more, feeders over 1000 A, and larger EV or Section 64 systems (EV/bidirectional threshold 12 kW from 2026-07-06).
- Rule 4-004. 90 °C single-dwelling service and feeder conductors may be sized from Ontario Table 39 (Rule 4-004(26)) when the load stays within their 75 °C ampacity.
- Rule 6-112. Ontario rules for the overhead attachment point (4.5 m to 9 m above grade), service head position and mast guying (also 6-116, new 6-118).
- Rule 8-106. Energy management systems may limit any load, not only EV loads (also 8-202(3) and new 8-500).
- Rule 14-418. One disconnect per non-dwelling unit, per shared area, and per building fed from another building.
- Rule 26-744. Dwellings need a 14-50R range receptacle unless a built-in cooktop or oven is installed, or gas is provided for a range.
- Rule 28-500. A manual starter not marked suitable as a motor disconnect may not serve as the disconnect and must be field-marked.
Built for the way you work
CEC calculators
Conductor sizing, voltage drop, conduit and box fill, demand loads and motors, with the rule numbers.
Every plan
Box auto-placement and CEC checks
Draw a room and Fishtape places the boxes, then checks spacing, GFCI, AFCI and TR on the drawing.
Pro and up
Estimates to invoices
Quote from your price book and takeoff, then invoice with the right GST, HST or PST and get paid online.
Every plan
Safety
FLHAs, toolbox talks, incidents and near misses, inspections and training, signed on the iPad.
Every plan
No caps on your work
Every plan, trial included, lets you make as many as you need of:
- Invoices
- Estimates and quotes
- Jobs
- Clients and leads
- Drawings and plan sheets
Plans differ by features and by how many users are included, nothing else. Downgrading never deletes anything: you keep reading everything you made.
Try Fishtape in Ontario
14 days free on the plan you pick. A $1 deposit confirms your card and comes off your first month. Cancel before the trial ends and the plan is never charged.