# COMAR Title 09 — Maryland Department of Labor

## Subtitle 36 — Commission of Real Estate Appraisers, Appraisal Management Companies, and Home Inspectors — Home Inspectors

### Chapter 07 — Minimum Standards of Practice

#### Regulation .08 Electrical Systems.

*COMAR 09.36.07.08*

A. A home inspector shall visually inspect the accessible electrical system, including:

  (1) The service drop;

  (2) Service entrance conductors, cables, and raceways;

  (3) Service equipment and main disconnects;

  (4) Service grounding;

  (5) System bonding;

  (6) Interior components of service panels and distribution panels;

  (7) Conductors;

  (8) Overcurrent protection devices;

  (9) A representative number of installed lighting fixtures, switches, and receptacles;

  (10) Ground fault and arc fault circuit interrupters; and

  (11) The general condition of visible branch circuit conductors that may constitute a hazard to the occupant or the structure by reason of improper use or installation of electrical components.

B. A home inspector shall describe the type and materials of the electrical system, including the:

  (1) Amperage and voltage rating of the service;

  (2) Location of:

    (a) Main disconnect;

    (b) Service equipment;

    (c) Distribution panels; and

  (3) Wiring methods.

C. If applicable, a home inspector shall describe the:

  (1) Presence of solid conductor aluminum branch circuit wiring;

  (2) Presence or absence of:

    (a) Smoke alarms; or

    (b) Carbon monoxide alarms; and

  (3) Presence of:

    (a) Non-arc-resistant CSST gas piping with the recommendation that the bonding of the CSST be reviewed by a licensed master electrician; and

    (b) Alternative energy systems, including disconnect locations.

D. A home inspector is not required to:

  (1) Inspect:

    (a) Remote control devices, unless the device is the only control device;

    (b) Alarm systems and components;

    (c) Low voltage wiring systems and components;

    (d) Ancillary wiring, systems, and components that are not a part of the primary electrical power distribution system; or

    (e) the existing bonding method for CSST; or

  (2) Measure amperage, voltage, or impedance.