Can a power strip be in the Heater enclosure?

[David Nasser]

This is what It looked like....

[Robert Meier]

Here is what UL has to say about relocatable power taps, for one thing they are not permitted to be attached to the building surface.

XBYS.GuideInfo
Relocatable Power Taps

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Relocatable Power Taps


Guide Information for Electrical Equipment for Use in Ordinary Locations
USE AND INSTALLATION

This category covers relocatable power taps rated 250 V ac or less, 20 A or less. They are intended for indoor use as relocatable multiple outlet extensions of a single branch circuit to supply laboratory equipment, home workshops, home movie lighting controls, musical instrumentation, and to provide outlet receptacles for computers, audio and video equipment, and other equipment.
Relocatable power taps consist of:

a) One attachment plug and a single length of flexible cord terminated in a single enclosure in which one or more receptacles may be mounted, or

b) One attachment plug and a single length of flexible cord terminated in a single enclosure in which one or more receptacles may be mounted. Up to six lengths of flexible cord, not exceeding 1-1/2 ft in length, may exit the enclosure with each length terminating in a separate, single cord connector, or

c) One attachment plug and a single length of flexible cord terminated in an enclosure in which one or more receptacles may be mounted. A second enclosure in which one or more receptacles may be mounted that is interconnected to the first enclosure with flexible cord, maximum 1-1/2 ft long, may be employed. An interconnected switch housing may also be employed to remotely control the relocatable power tap, provided that the length of the flexible cord between the enclosure and switch housing is not greater than 6 ft.

They may, in addition, be provided with fuses or other supplementary overcurrent protection, switches, suppression components and/or indicator lights in any combination, or connections for cable, communications, telephone and/or antenna.
Relocatable power taps are intended to be directly connected to a permanently installed branch circuit receptacle. Relocatable power taps are not intended to be series connected (daisy chained) to other relocatable power taps or to extension cords.
Relocatable power taps are not intended for use at construction sites and similar locations.
Relocatable power taps are not intended to be permanently secured to building structures, tables, work benches or similar structures, nor are they intended to be used as a substitute for fixed wiring. The cords of relocatable power taps are not intended to be routed through walls, windows, ceilings, floors or similar openings.
The length of the power-supply cord, as measured from the outside surface of the enclosure of the relocatable power tap to the plane of the face of the attachment plug, should not exceed 25 ft (7.62 m) nor be less than 1.5 ft (0.46 m).
Relocatable power taps have not been investigated and are not intended for use with general patient care areas or critical patient care areas of health care facilities as defined in Article 517 of ANSI/NFPA 70, "National Electrical Code."
RELATED PRODUCTS

Relocatable power taps employing cord sets provided with leakage-current detection and interruption are covered under Cord Sets with Leakage-current Detection and Interruption (ELGN).
Portable ground-fault circuit interrupters are covered under Ground-fault Circuit Interrupters (KCXS).
ADDITIONAL INFORMATION

For additional information, see Electrical Equipment for Use in Ordinary Locations (AALZ).
REQUIREMENTS

The basic standard used to investigate products in this category is UL 1363, "Relocatable Power Taps."
UL MARK

The Listing Mark of Underwriters Laboratories Inc. on the product is the only method provided by UL to identify products manufactured under its Listing and Follow-Up Service. The Listing Mark for these products includes the UL symbol (as illustrated in the Introduction of this Directory) together with the word "LISTED," a control number, and the product name "Relocatable Power Tap,""Power Tap" or "Outlet Strip."
The Listing Mark for this category requires the use of a holographic label.

[Bob Elliott]

Short answer is no.