HireLV Handbook

HireLV Handbook

Free tools for every low-voltage trade. Results are free. A free account saves them and exports a PDF.

Wiring diagram library

T568A/B pinouts, door wiring, PoE camera runs, Class B loops. Download PDF.

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Maglock egress wiring

REX, exit button, and fire-alarm release, with the code edition quoted.

Open the wiring guide

Software guides

Add a door in OnGuard, or factory-reset an Axis camera and set its IP.

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Default codes and reset

Verified installer codes and manufacturer reset steps. Unverified rows stay blank.

Open the directory

Diagram builder

Auto-wire a door: OSDP or Wiegand, REX, and a strike. One project with no account.

Open builder

PoE distance and budget

Switch budget, class limits, and voltage drop past 100 m.

Open PoE calculator

COI expiration tracker

Upload COIs; we email you at 30 days, 7 days, and expiry.

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License renewal reminders

Every license, one reminder list. Email at 60 and 30 days.

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Conduit fill calculator

Fill % vs NEC limit and recommended conduit size.

Open

Cable calculator

7,920 ft incl. 10% slack

8 boxes · 60.0 hrs est. labor

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Planning aid only. Values are typical and vary by manufacturer, code edition and jurisdiction. Verify with manufacturer data, NEC/NFPA/TIA and the local AHJ. HireLV is not liable for designs based on these tools.